Add support for FILTER clause on aggregate window functions.

FossilOrigin-Name: ceaf798ea09184bc0e7d3dcf3ad4d909d2e4e7018754a8417a813f33010140a7

diff --git a/manifest b/manifest
index 5205165f4368e2881116824ed8ec5af1a44428d2..7adc9e5345433dae1b19b31a4d5e124d2673a8fb 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\ssupport\sfor\sthe\sWINDOW\sclause.
-D 2018-06-08T20:58:27.833
+C Add\ssupport\sfor\sFILTER\sclause\son\saggregate\swindow\sfunctions.
+D 2018-06-09T17:43:45.368
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in bfc40f350586923e0419d2ea4b559c37ec10ee4b6e210e08c14401f8e340f0da
@@ -583,7 +583,7 @@ F src/where.c 7dcb13bbcfd8c926546946556014c8f5aa0829eb8b65a6c18f8d187d265200a5
 F src/whereInt.h b09753e74bf92a8b17cf0e41ca94c44432c454544be6699b5311dcc57bf229c6
 F src/wherecode.c 3317f2b083a66d3e65a03edf316ade4ccb0a99c9956273282ebb579b95d4ba96
 F src/whereexpr.c e90b2e76dcabc81edff56633bf281bc01d93b71e0c81482dc06925ce39f5844a
-F src/window.c 31bd22def29a71144056ddd2a9c4344648c2b89f63a76e7695defdf7ed293216
+F src/window.c 72c08229b59a447db5ffb8e87680105549465df502092e0e24f9451e6b082031
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
 F test/affinity3.test 6a101af2fc945ce2912f6fe54dd646018551710d
@@ -1617,13 +1617,13 @@ F test/win32heap.test 10fd891266bd00af68671e702317726375e5407561d859be1aa04696f2
 F test/win32lock.test fbf107c91d8f5512be5a5b87c4c42ab9fdd54972
 F test/win32longpath.test 169c75a3b2e43481f4a62122510210c67b08f26d
 F test/win32nolock.test ac4f08811a562e45a5755e661f45ca85892bdbbc
-F test/window1.test 4561399c91f892279fef028e44133f2c73b8eb22dc788afee508563bb7ad1cdc
+F test/window1.test 6c648f3fa79b29ef114c4e73ae8adefae70e4d3aae4cc36a3318ab237b64e9c5
 F test/window2.tcl 0983de5eade5eeda49469244799d5331bfe3199fca3f6c6d2a836aa08f4fba1b
 F test/window2.test 79747b2edde4ad424e0752b27529aedc86e91f3d8d88846fa17ff0cb67f65086
-F test/window3.tcl f2596e9d6bf8d4441eb7a0d3272594185c3b56e8d2413a54b12e6e7557517674
-F test/window3.test e43a143131e19a27148215431cf7cec8815c32c7ec04f1cf79d068adff9be028
-F test/window4.tcl 2da10ad7a6eedc584c3faa551ff6d0a7f8cc18dee95416d05af389f88ef0ac1a
-F test/window4.test bef29a267ee9ac7ca421ef69ba37d19f7e93988f1c052cb09cbb946f309c5cbe
+F test/window3.tcl 654d61d73e10db089b22514d498bb23ec310f720c0f4b5f69f67fda83d672048
+F test/window3.test 41727668ee31d2ba50f78efcb5bf1bda2c5cffd889aa65243511004669d1ac25
+F test/window4.tcl e459eb2fe561d7731008a80d071e2d995c3554706de764c9f456f54357e70316
+F test/window4.test 207ab5e54ba0fec5e1157d136489b615a0e88dc8f9fb81cd77e11f20d2ddd72e
 F test/with1.test 58475190cd8caaeebea8cfeb2a264ec97a0c492b8ffe9ad20cefbb23df462f96
 F test/with2.test e0030e2f0267a910d6c0e4f46f2dfe941c1cc0d4f659ba69b3597728e7e8f1ab
 F test/with3.test 5e8ce2c585170bbbc0544e2a01a4941fa0be173ba5265e5c92eb588cd99a232d
@@ -1740,7 +1740,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 236cb75bd1f0d5eb86aa5f52d8d548e7263c34633833dcea9dfc934f142113b8
-R 42923cbfbd64d075a9e38b7b4b4b969d
+P 19c983b511f1c823fdfb051713681b4c779f02fa83b41189afca0a9b8b72048d
+R 4922e87ad399c6f94f1076fca5cd38fd
 U dan
-Z dee7bf2abe4eeccc35a23aee41391161
+Z db6d4e8c44c5703bb20011e4b4391c5c

diff --git a/manifest.uuid b/manifest.uuid
index 9c7373451d81ce0fefdaf090d0384524af512642..4cf7a0f94a8829a8b930cfc42efaf5766fb64fca 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-19c983b511f1c823fdfb051713681b4c779f02fa83b41189afca0a9b8b72048d
\ No newline at end of file
+ceaf798ea09184bc0e7d3dcf3ad4d909d2e4e7018754a8417a813f33010140a7
\ No newline at end of file

diff --git a/src/window.c b/src/window.c
index 446f5c129a4ecc6abfc51cbe90b5ea41cd293931..fc4c7d905ec3cb90d0571f3e2a9e89b7acb82c40 100644 (file)
--- a/src/window.c
+++ b/src/window.c
@@ -411,6 +411,11 @@ void sqlite3WindowUpdate(
   }
   if( pFunc->funcFlags & SQLITE_FUNC_WINDOW ){
     sqlite3 *db = pParse->db;
+    if( pWin->pFilter ){
+      sqlite3ErrorMsg(pParse, 
+          "FILTER clause may only be used with aggregate window functions"
+      );
+    }else
     if( pFunc->xSFunc==row_numberStepFunc || pFunc->xSFunc==ntileStepFunc ){
       sqlite3ExprDelete(db, pWin->pStart);
       sqlite3ExprDelete(db, pWin->pEnd);
@@ -418,7 +423,7 @@ void sqlite3WindowUpdate(
       pWin->eType = TK_ROWS;
       pWin->eStart = TK_UNBOUNDED;
       pWin->eEnd = TK_CURRENT;
-    }
+    }else
 
     if( pFunc->xSFunc==dense_rankStepFunc || pFunc->xSFunc==rankStepFunc
      || pFunc->xSFunc==percent_rankStepFunc || pFunc->xSFunc==cume_distStepFunc
@@ -602,6 +607,10 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){
     for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
       pWin->iArgCol = (pSublist ? pSublist->nExpr : 0);
       pSublist = exprListAppendList(pParse, pSublist, pWin->pOwner->x.pList);
+      if( pWin->pFilter ){
+        Expr *pFilter = sqlite3ExprDup(db, pWin->pFilter, 0);
+        pSublist = sqlite3ExprListAppend(pParse, pSublist, pFilter);
+      }
       pWin->regAccum = ++pParse->nMem;
       pWin->regResult = ++pParse->nMem;
       sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum);
@@ -819,14 +828,29 @@ static void windowAggStep(
     ){
       /* no-op */
     }else{
+      int addrIf = 0;
+      if( pWin->pFilter ){
+        int regTmp;
+        if( csr>0 ){
+          regTmp = sqlite3GetTempReg(pParse);
+          sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+pWin->nArg,regTmp);
+        }else{
+          regTmp = regArg + pWin->nArg;
+        }
+        addrIf = sqlite3VdbeAddOp3(v, OP_IfNot, regTmp, 0, 1);
+        if( csr>0 ){
+          sqlite3ReleaseTempReg(pParse, regTmp);
+        }
+      }
       if( pWin->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
         CollSeq *pColl;
-        pColl = sqlite3ExprCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
+        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
         sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
       }
       sqlite3VdbeAddOp3(v, OP_AggStep0, bInverse, regArg, pWin->regAccum);
       sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF);
       sqlite3VdbeChangeP5(v, (u8)nArg);
+      if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
     }
   }
 }
@@ -855,6 +879,7 @@ static void windowAggFinal(Parse *pParse, Window *pMWin, int bFinal){
       sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF);
       if( bFinal ){
         sqlite3VdbeAddOp2(v, OP_Copy, pWin->regAccum, pWin->regResult);
+        sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum);
       }else{
         sqlite3VdbeChangeP3(v, -1, pWin->regResult);
       }

diff --git a/test/window1.test b/test/window1.test
index 93db98a72f44df7597df51beec5c0447972610c7..81541dad4eeb7cd8725173f34e2893f81ec9cb7c 100644 (file)
--- a/test/window1.test
+++ b/test/window1.test
@@ -214,5 +214,9 @@ do_execsql_test 6.2 {
   a 1 1 a 2 2 a 3 3 a 4 4 a 5 5 a 6 6 a 7 7
 }
 
+do_catchsql_test 3.5 {
+  SELECT x, lag(x) FILTER (WHERE (x%2)=0) OVER w FROM t1 
+  WINDOW w AS (ORDER BY x)
+} {1 {FILTER clause may only be used with aggregate window functions}}
 
 finish_test

diff --git a/test/window3.tcl b/test/window3.tcl
index 184fb36bebbbacdc58bc0344cba302c85e6689aa..6ad79930295c4b8209dbf22ab7a2082498ea4443 100644 (file)
--- a/test/window3.tcl
+++ b/test/window3.tcl
@@ -284,7 +284,6 @@ foreach {tn window} {
   execsql_test 1.$tn.14.1 "
     SELECT string_agg(CAST(b AS TEXT), '.') OVER (ORDER BY a $window) FROM t2
   "
-
   execsql_test 1.$tn.14.2 "
     SELECT string_agg(CAST(b AS TEXT), '.') OVER (PARTITION BY b%10 ORDER BY a $window) FROM t2
   "
@@ -300,6 +299,26 @@ foreach {tn window} {
   execsql_test 1.$tn.14.6 "
     SELECT string_agg(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 $window) FROM t2
   "
+
+  execsql_test 1.$tn.15.1 "
+    SELECT string_agg(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a $window) FROM t2
+  "
+
+  execsql_test 1.$tn.15.2 "
+    SELECT string_agg(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a $window) FROM t2
+  "
+
+  execsql_test 1.$tn.15.3 "
+    SELECT string_agg(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a $window) FROM t2
+  "
+
+  execsql_test 1.$tn.15.4 "
+    SELECT string_agg(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a $window) FROM t2
+  "
 }
 
 finish_test

diff --git a/test/window3.test b/test/window3.test
index eb65443d97d6b8025dc976fce88a1ba7cc494bf2..7fe106d03324e24da38e4a26f618d48d018d91f3 100644 (file)
--- a/test/window3.test
+++ b/test/window3.test
@@ -417,6 +417,26 @@ do_execsql_test 1.1.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.1.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   74   74   74.74   74.74   74.74.99   74.74.99   74.74.99.33   74.74.99.33   74.74.99.33.89   74.74.99.33.89   74.74.99.33.89.96   74.74.99.33.89.96   74.74.99.33.89.96.38   74.74.99.33.89.96.38   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7}
+
+do_execsql_test 1.1.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.1.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.1.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {89   89.6   89.6.29   89.6.29.47   89.6.29.47.59   89.6.29.47.59.28   89.6.29.47.59.28.75   89.6.29.47.59.28.75.78   89.6.29.47.59.28.75.78.72   89.6.29.47.59.28.75.78.72.98   89.6.29.47.59.28.75.78.72.98.87   89.6.29.47.59.28.75.78.72.98.87.73   89.6.29.47.59.28.75.78.72.98.87.73.96   89.6.29.47.59.28.75.78.72.98.87.73.96.74   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.96   74.96.97   74.96.97.84   74.96.97.84.86   74.96.97.84.86.32   74.96.97.84.86.32.25   74.96.97.84.86.32.25.89   74.96.97.84.86.32.25.89.29   74.96.97.84.86.32.25.89.29.9   74.96.97.84.86.32.25.89.29.9.21   74.96.97.84.86.32.25.89.29.9.21.12   74.96.97.84.86.32.25.89.29.9.21.12.88   74.96.97.84.86.32.25.89.29.9.21.12.88.55   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.38   74.38.46   74.38.46.23   74.38.46.23.61   74.38.46.23.61.3   74.38.46.23.61.3.1   74.38.46.23.61.3.1.76   74.38.46.23.61.3.1.76.63   74.38.46.23.61.3.1.76.63.73   74.38.46.23.61.3.1.76.63.73.65   74.38.46.23.61.3.1.76.63.73.65.20   74.38.46.23.61.3.1.76.63.73.65.20.8   74.38.46.23.61.3.1.76.63.73.65.20.8.77   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   99.39   99.39.54   99.39.54.16   99.39.54.16.85   99.39.54.16.85.22   99.39.54.16.85.22.40   99.39.54.16.85.22.40.4   99.39.54.16.85.22.40.4.87   99.39.54.16.85.22.40.4.87.65   99.39.54.16.85.22.40.4.87.65.5   99.39.54.16.85.22.40.4.87.65.5.31   99.39.54.16.85.22.40.4.87.65.5.31.49   99.39.54.16.85.22.40.4.87.65.5.31.49.2   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   33.91   33.91.8   33.91.8.65   33.91.8.65.85   33.91.8.65.85.55   33.91.8.65.85.55.56   33.91.8.65.85.55.56.42   33.91.8.65.85.55.56.42.80   33.91.8.65.85.55.56.42.80.58   33.91.8.65.85.55.56.42.80.58.11   33.91.8.65.85.55.56.42.80.58.11.95   33.91.8.65.85.55.56.42.80.58.11.95.90   33.91.8.65.85.55.56.42.80.58.11.95.90.85   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.2.2.1 {
   SELECT max(b) OVER ( ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99}
@@ -777,6 +797,26 @@ do_execsql_test 1.2.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.2.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7}
+
+do_execsql_test 1.2.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.2.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.2.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.3.2.1 {
   SELECT max(b) OVER ( ORDER BY a RANGE BETWEEN CURRENT ROW         AND CURRENT ROW ) FROM t2
 } {0   74   41   74   23   99   26   33   2   89   81   96   59   38   68   39   62   91   46   6   99   97   27   46   78   54   97   8   67   29   93   84   77   23   16   16   93   65   35   47   7   86   74   61   91   85   24   85   43   59   12   32   56   3   91   22   90   55   15   28   89   25   47   1   56   40   43   56   16   75   36   89   98   76   81   4   94   42   30   78   33   29   53   63   2   87   37   80   84   72   41   9   61   73   95   65   13   58   96   98   1   21   74   65   35   5   73   11   51   87   41   12   8   20   31   31   15   95   22   73   79   88   34   8   11   49   34   90   59   96   60   55   75   77   44   2   7   85   57   74   29   70   59   19   39   26   26   47   80   90   36   58   47   9   72   72   66   33   93   75   64   81   9   23   37   13   12   14   62   91   36   91   33   15   34   36   99   3   95   69   58   52   30   50   84   10   84   33   21   39   44   58   30   38   34   83   27   82   17   7}
@@ -1137,6 +1177,26 @@ do_execsql_test 1.3.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 RANGE BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.3.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a RANGE BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   74   {}   74   {}   99   {}   33   {}   89   {}   96   {}   38   {}   39   {}   91   {}   6   {}   97   {}   46   {}   54   {}   8   {}   29   {}   84   {}   23   {}   16   {}   65   {}   47   {}   86   {}   61   {}   85   {}   85   {}   59   {}   32   {}   3   {}   22   {}   55   {}   28   {}   25   {}   1   {}   40   {}   56   {}   75   {}   89   {}   76   {}   4   {}   42   {}   78   {}   29   {}   63   {}   87   {}   80   {}   72   {}   9   {}   73   {}   65   {}   58   {}   98   {}   21   {}   65   {}   5   {}   11   {}   87   {}   12   {}   20   {}   31   {}   95   {}   73   {}   88   {}   8   {}   49   {}   90   {}   96   {}   55   {}   77   {}   2   {}   85   {}   74   {}   70   {}   19   {}   26   {}   47   {}   90   {}   58   {}   9   {}   72   {}   33   {}   75   {}   81   {}   23   {}   13   {}   14   {}   91   {}   91   {}   15   {}   36   {}   3   {}   69   {}   52   {}   50   {}   10   {}   33   {}   39   {}   58   {}   38   {}   83   {}   82   {}   7}
+
+do_execsql_test 1.3.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a RANGE BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.3.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.3.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {89   6   29   47   59   28   75   78   72   98   87   73   96   74   90   75   91   69   39   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   96   97   84   86   32   25   89   29   9   21   12   88   55   70   58   81   91   52   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   38   46   23   61   3   1   76   63   73   65   20   8   77   19   9   23   15   50   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   39   54   16   85   22   40   4   87   65   5   31   49   2   26   72   13   36   10   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   91   8   65   85   55   56   42   80   58   11   95   90   85   47   33   14   3   33   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.4.2.1 {
   SELECT max(b) OVER ( ORDER BY a RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   95   95   84   84   84   84   84   84   84   84   83   83   83   83   83   83   83   83   83   82   82   17   7}
@@ -1497,6 +1557,26 @@ do_execsql_test 1.4.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.4.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   33.39.58.38.83.82.7   33.39.58.38.83.82.7   39.58.38.83.82.7   39.58.38.83.82.7   58.38.83.82.7   58.38.83.82.7   38.83.82.7   38.83.82.7   83.82.7   83.82.7   82.7   82.7   7   7}
+
+do_execsql_test 1.4.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.4.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.4.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a RANGE BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   75.78.72.98.87.73.96.74.90.75.91.69.39.7   78.72.98.87.73.96.74.90.75.91.69.39.7   72.98.87.73.96.74.90.75.91.69.39.7   98.87.73.96.74.90.75.91.69.39.7   87.73.96.74.90.75.91.69.39.7   73.96.74.90.75.91.69.39.7   96.74.90.75.91.69.39.7   74.90.75.91.69.39.7   90.75.91.69.39.7   75.91.69.39.7   91.69.39.7   69.39.7   39.7   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   25.89.29.9.21.12.88.55.70.58.81.91.52.58   89.29.9.21.12.88.55.70.58.81.91.52.58   29.9.21.12.88.55.70.58.81.91.52.58   9.21.12.88.55.70.58.81.91.52.58   21.12.88.55.70.58.81.91.52.58   12.88.55.70.58.81.91.52.58   88.55.70.58.81.91.52.58   55.70.58.81.91.52.58   70.58.81.91.52.58   58.81.91.52.58   81.91.52.58   91.52.58   52.58   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   1.76.63.73.65.20.8.77.19.9.23.15.50.38   76.63.73.65.20.8.77.19.9.23.15.50.38   63.73.65.20.8.77.19.9.23.15.50.38   73.65.20.8.77.19.9.23.15.50.38   65.20.8.77.19.9.23.15.50.38   20.8.77.19.9.23.15.50.38   8.77.19.9.23.15.50.38   77.19.9.23.15.50.38   19.9.23.15.50.38   9.23.15.50.38   23.15.50.38   15.50.38   50.38   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   40.4.87.65.5.31.49.2.26.72.13.36.10.83   4.87.65.5.31.49.2.26.72.13.36.10.83   87.65.5.31.49.2.26.72.13.36.10.83   65.5.31.49.2.26.72.13.36.10.83   5.31.49.2.26.72.13.36.10.83   31.49.2.26.72.13.36.10.83   49.2.26.72.13.36.10.83   2.26.72.13.36.10.83   26.72.13.36.10.83   72.13.36.10.83   13.36.10.83   36.10.83   10.83   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   56.42.80.58.11.95.90.85.47.33.14.3.33.82   42.80.58.11.95.90.85.47.33.14.3.33.82   80.58.11.95.90.85.47.33.14.3.33.82   58.11.95.90.85.47.33.14.3.33.82   11.95.90.85.47.33.14.3.33.82   95.90.85.47.33.14.3.33.82   90.85.47.33.14.3.33.82   85.47.33.14.3.33.82   47.33.14.3.33.82   33.14.3.33.82   14.3.33.82   3.33.82   33.82   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.5.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING ) FROM t2
 } {{}   {}   {}   {}   0   74   74   74   74   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99}
@@ -1857,6 +1937,26 @@ do_execsql_test 1.5.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING) FROM t2
 } {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
 
+do_execsql_test 1.5.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING) FROM t2
+} {{}   {}   {}   {}   {}   74   74   74.74   74.74   74.74.99   74.74.99   74.74.99.33   74.74.99.33   74.74.99.33.89   74.74.99.33.89   74.74.99.33.89.96   74.74.99.33.89.96   74.74.99.33.89.96.38   74.74.99.33.89.96.38   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83}
+
+do_execsql_test 1.5.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.5.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.5.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 PRECEDING) FROM t2
+} {{}   {}   {}   {}   89   89.6   89.6.29   89.6.29.47   89.6.29.47.59   89.6.29.47.59.28   89.6.29.47.59.28.75   89.6.29.47.59.28.75.78   89.6.29.47.59.28.75.78.72   89.6.29.47.59.28.75.78.72.98   89.6.29.47.59.28.75.78.72.98.87   89.6.29.47.59.28.75.78.72.98.87.73   89.6.29.47.59.28.75.78.72.98.87.73.96   89.6.29.47.59.28.75.78.72.98.87.73.96.74   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.96   74.96.97   74.96.97.84   74.96.97.84.86   74.96.97.84.86.32   74.96.97.84.86.32.25   74.96.97.84.86.32.25.89   74.96.97.84.86.32.25.89.29   74.96.97.84.86.32.25.89.29.9   74.96.97.84.86.32.25.89.29.9.21   74.96.97.84.86.32.25.89.29.9.21.12   74.96.97.84.86.32.25.89.29.9.21.12.88   74.96.97.84.86.32.25.89.29.9.21.12.88.55   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.38   74.38.46   74.38.46.23   74.38.46.23.61   74.38.46.23.61.3   74.38.46.23.61.3.1   74.38.46.23.61.3.1.76   74.38.46.23.61.3.1.76.63   74.38.46.23.61.3.1.76.63.73   74.38.46.23.61.3.1.76.63.73.65   74.38.46.23.61.3.1.76.63.73.65.20   74.38.46.23.61.3.1.76.63.73.65.20.8   74.38.46.23.61.3.1.76.63.73.65.20.8.77   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   99.39   99.39.54   99.39.54.16   99.39.54.16.85   99.39.54.16.85.22   99.39.54.16.85.22.40   99.39.54.16.85.22.40.4   99.39.54.16.85.22.40.4.87   99.39.54.16.85.22.40.4.87.65   99.39.54.16.85.22.40.4.87.65.5   99.39.54.16.85.22.40.4.87.65.5.31   99.39.54.16.85.22.40.4.87.65.5.31.49   99.39.54.16.85.22.40.4.87.65.5.31.49.2   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   33.91   33.91.8   33.91.8.65   33.91.8.65.85   33.91.8.65.85.55   33.91.8.65.85.55.56   33.91.8.65.85.55.56.42   33.91.8.65.85.55.56.42.80   33.91.8.65.85.55.56.42.80.58   33.91.8.65.85.55.56.42.80.58.11   33.91.8.65.85.55.56.42.80.58.11.95   33.91.8.65.85.55.56.42.80.58.11.95.90   33.91.8.65.85.55.56.42.80.58.11.95.90.85   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.6.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING ) FROM t2
 } {{}   {}   0   74   74   74   74   99   99   99   33   89   89   96   96   96   68   68   68   91   91   91   99   99   99   97   78   78   97   97   97   67   93   93   93   84   77   23   93   93   93   65   47   86   86   86   91   91   91   85   85   85   59   59   56   56   91   91   91   90   90   55   89   89   89   47   56   56   56   56   56   75   75   89   98   98   98   81   94   94   94   78   78   78   53   63   63   87   87   87   84   84   84   72   61   73   95   95   95   65   96   98   98   98   74   74   74   65   73   73   73   87   87   87   41   20   31   31   31   95   95   95   79   88   88   88   34   49   49   90   90   96   96   96   75   77   77   77   44   85   85   85   74   74   70   70   59   39   39   47   80   90   90   90   58   58   72   72   72   72   93   93   93   81   81   81   37   37   37   14   62   91   91   91   91   91   34   36   99   99   99   95   95   69   58   52   84   84   84   84   84   39   44   58   58   58   38   83   83   83}
@@ -2217,6 +2317,26 @@ do_execsql_test 1.6.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING) FROM t2
 } {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
 
+do_execsql_test 1.6.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING) FROM t2
+} {{}   {}   {}   74   74   74.74   74   74.99   99   99.33   33   33.89   89   89.96   96   96.38   38   38.39   39   39.91   91   91.6   6   6.97   97   97.46   46   46.54   54   54.8   8   8.29   29   29.84   84   84.23   23   23.16   16   16.65   65   65.47   47   47.86   86   86.61   61   61.85   85   85.85   85   85.59   59   59.32   32   32.3   3   3.22   22   22.55   55   55.28   28   28.25   25   25.1   1   1.40   40   40.56   56   56.75   75   75.89   89   89.76   76   76.4   4   4.42   42   42.78   78   78.29   29   29.63   63   63.87   87   87.80   80   80.72   72   72.9   9   9.73   73   73.65   65   65.58   58   58.98   98   98.21   21   21.65   65   65.5   5   5.11   11   11.87   87   87.12   12   12.20   20   20.31   31   31.95   95   95.73   73   73.88   88   88.8   8   8.49   49   49.90   90   90.96   96   96.55   55   55.77   77   77.2   2   2.85   85   85.74   74   74.70   70   70.19   19   19.26   26   26.47   47   47.90   90   90.58   58   58.9   9   9.72   72   72.33   33   33.75   75   75.81   81   81.23   23   23.13   13   13.14   14   14.91   91   91.91   91   91.15   15   15.36   36   36.3   3   3.69   69   69.52   52   52.50   50   50.10   10   10.33   33   33.39   39   39.58   58   58.38   38   38.83   83   83.82}
+
+do_execsql_test 1.6.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.6.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.6.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 PRECEDING) FROM t2
+} {{}   {}   89   89.6   89.6.29   6.29.47   29.47.59   47.59.28   59.28.75   28.75.78   75.78.72   78.72.98   72.98.87   98.87.73   87.73.96   73.96.74   96.74.90   74.90.75   90.75.91   75.91.69   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.96   74.96.97   96.97.84   97.84.86   84.86.32   86.32.25   32.25.89   25.89.29   89.29.9   29.9.21   9.21.12   21.12.88   12.88.55   88.55.70   55.70.58   70.58.81   58.81.91   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.38   74.38.46   38.46.23   46.23.61   23.61.3   61.3.1   3.1.76   1.76.63   76.63.73   63.73.65   73.65.20   65.20.8   20.8.77   8.77.19   77.19.9   19.9.23   9.23.15   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   99.39   99.39.54   39.54.16   54.16.85   16.85.22   85.22.40   22.40.4   40.4.87   4.87.65   87.65.5   65.5.31   5.31.49   31.49.2   49.2.26   2.26.72   26.72.13   72.13.36   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   33.91   33.91.8   91.8.65   8.65.85   65.85.55   85.55.56   55.56.42   56.42.80   42.80.58   80.58.11   58.11.95   11.95.90   95.90.85   90.85.47   85.47.33   47.33.14   33.14.3   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.7.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW ) FROM t2
 } {0   74   74   74   74   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99}
@@ -2577,6 +2697,26 @@ do_execsql_test 1.7.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.7.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   74   74   74.74   74.74   74.74.99   74.74.99   74.74.99.33   74.74.99.33   74.74.99.33.89   74.74.99.33.89   74.74.99.33.89.96   74.74.99.33.89.96   74.74.99.33.89.96.38   74.74.99.33.89.96.38   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7}
+
+do_execsql_test 1.7.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.7.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.7.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM t2
+} {89   89.6   89.6.29   89.6.29.47   89.6.29.47.59   89.6.29.47.59.28   89.6.29.47.59.28.75   89.6.29.47.59.28.75.78   89.6.29.47.59.28.75.78.72   89.6.29.47.59.28.75.78.72.98   89.6.29.47.59.28.75.78.72.98.87   89.6.29.47.59.28.75.78.72.98.87.73   89.6.29.47.59.28.75.78.72.98.87.73.96   89.6.29.47.59.28.75.78.72.98.87.73.96.74   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.96   74.96.97   74.96.97.84   74.96.97.84.86   74.96.97.84.86.32   74.96.97.84.86.32.25   74.96.97.84.86.32.25.89   74.96.97.84.86.32.25.89.29   74.96.97.84.86.32.25.89.29.9   74.96.97.84.86.32.25.89.29.9.21   74.96.97.84.86.32.25.89.29.9.21.12   74.96.97.84.86.32.25.89.29.9.21.12.88   74.96.97.84.86.32.25.89.29.9.21.12.88.55   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.38   74.38.46   74.38.46.23   74.38.46.23.61   74.38.46.23.61.3   74.38.46.23.61.3.1   74.38.46.23.61.3.1.76   74.38.46.23.61.3.1.76.63   74.38.46.23.61.3.1.76.63.73   74.38.46.23.61.3.1.76.63.73.65   74.38.46.23.61.3.1.76.63.73.65.20   74.38.46.23.61.3.1.76.63.73.65.20.8   74.38.46.23.61.3.1.76.63.73.65.20.8.77   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   99.39   99.39.54   99.39.54.16   99.39.54.16.85   99.39.54.16.85.22   99.39.54.16.85.22.40   99.39.54.16.85.22.40.4   99.39.54.16.85.22.40.4.87   99.39.54.16.85.22.40.4.87.65   99.39.54.16.85.22.40.4.87.65.5   99.39.54.16.85.22.40.4.87.65.5.31   99.39.54.16.85.22.40.4.87.65.5.31.49   99.39.54.16.85.22.40.4.87.65.5.31.49.2   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   33.91   33.91.8   33.91.8.65   33.91.8.65.85   33.91.8.65.85.55   33.91.8.65.85.55.56   33.91.8.65.85.55.56.42   33.91.8.65.85.55.56.42.80   33.91.8.65.85.55.56.42.80.58   33.91.8.65.85.55.56.42.80.58.11   33.91.8.65.85.55.56.42.80.58.11.95   33.91.8.65.85.55.56.42.80.58.11.95.90   33.91.8.65.85.55.56.42.80.58.11.95.90.85   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.8.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW ) FROM t2
 } {0   74   74   74   74   99   99   99   99   99   89   96   96   96   96   96   68   91   91   91   99   99   99   99   99   97   97   97   97   97   97   93   93   93   93   84   93   93   93   93   93   86   86   86   91   91   91   91   91   85   85   85   59   59   91   91   91   91   91   90   90   89   89   89   89   56   56   56   56   75   75   89   98   98   98   98   98   94   94   94   94   78   78   78   63   87   87   87   87   87   84   84   84   73   95   95   95   95   96   98   98   98   98   98   74   74   74   73   73   87   87   87   87   87   41   31   31   95   95   95   95   95   88   88   88   88   49   90   90   96   96   96   96   96   77   77   77   85   85   85   85   85   74   74   70   70   59   47   80   90   90   90   90   90   72   72   72   72   93   93   93   93   93   81   81   81   37   37   62   91   91   91   91   91   91   91   99   99   99   99   99   95   95   69   84   84   84   84   84   84   84   58   58   58   58   83   83   83   83   83}
@@ -2937,6 +3077,26 @@ do_execsql_test 1.8.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.8.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW) FROM t2
+} {{}   74   74   74.74   74.74   74.74.99   74.99   74.99.33   99.33   99.33.89   33.89   33.89.96   89.96   89.96.38   96.38   96.38.39   38.39   38.39.91   39.91   39.91.6   91.6   91.6.97   6.97   6.97.46   97.46   97.46.54   46.54   46.54.8   54.8   54.8.29   8.29   8.29.84   29.84   29.84.23   84.23   84.23.16   23.16   23.16.65   16.65   16.65.47   65.47   65.47.86   47.86   47.86.61   86.61   86.61.85   61.85   61.85.85   85.85   85.85.59   85.59   85.59.32   59.32   59.32.3   32.3   32.3.22   3.22   3.22.55   22.55   22.55.28   55.28   55.28.25   28.25   28.25.1   25.1   25.1.40   1.40   1.40.56   40.56   40.56.75   56.75   56.75.89   75.89   75.89.76   89.76   89.76.4   76.4   76.4.42   4.42   4.42.78   42.78   42.78.29   78.29   78.29.63   29.63   29.63.87   63.87   63.87.80   87.80   87.80.72   80.72   80.72.9   72.9   72.9.73   9.73   9.73.65   73.65   73.65.58   65.58   65.58.98   58.98   58.98.21   98.21   98.21.65   21.65   21.65.5   65.5   65.5.11   5.11   5.11.87   11.87   11.87.12   87.12   87.12.20   12.20   12.20.31   20.31   20.31.95   31.95   31.95.73   95.73   95.73.88   73.88   73.88.8   88.8   88.8.49   8.49   8.49.90   49.90   49.90.96   90.96   90.96.55   96.55   96.55.77   55.77   55.77.2   77.2   77.2.85   2.85   2.85.74   85.74   85.74.70   74.70   74.70.19   70.19   70.19.26   19.26   19.26.47   26.47   26.47.90   47.90   47.90.58   90.58   90.58.9   58.9   58.9.72   9.72   9.72.33   72.33   72.33.75   33.75   33.75.81   75.81   75.81.23   81.23   81.23.13   23.13   23.13.14   13.14   13.14.91   14.91   14.91.91   91.91   91.91.15   91.15   91.15.36   15.36   15.36.3   36.3   36.3.69   3.69   3.69.52   69.52   69.52.50   52.50   52.50.10   50.10   50.10.33   10.33   10.33.39   33.39   33.39.58   39.58   39.58.38   58.38   58.38.83   38.83   38.83.82   83.82   83.82.7}
+
+do_execsql_test 1.8.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.8.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.8.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND CURRENT ROW) FROM t2
+} {89   89.6   89.6.29   89.6.29.47   89.6.29.47.59   6.29.47.59.28   29.47.59.28.75   47.59.28.75.78   59.28.75.78.72   28.75.78.72.98   75.78.72.98.87   78.72.98.87.73   72.98.87.73.96   98.87.73.96.74   87.73.96.74.90   73.96.74.90.75   96.74.90.75.91   74.90.75.91.69   90.75.91.69.39   75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.96   74.96.97   74.96.97.84   74.96.97.84.86   96.97.84.86.32   97.84.86.32.25   84.86.32.25.89   86.32.25.89.29   32.25.89.29.9   25.89.29.9.21   89.29.9.21.12   29.9.21.12.88   9.21.12.88.55   21.12.88.55.70   12.88.55.70.58   88.55.70.58.81   55.70.58.81.91   70.58.81.91.52   58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   74.38   74.38.46   74.38.46.23   74.38.46.23.61   38.46.23.61.3   46.23.61.3.1   23.61.3.1.76   61.3.1.76.63   3.1.76.63.73   1.76.63.73.65   76.63.73.65.20   63.73.65.20.8   73.65.20.8.77   65.20.8.77.19   20.8.77.19.9   8.77.19.9.23   77.19.9.23.15   19.9.23.15.50   9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   99.39   99.39.54   99.39.54.16   99.39.54.16.85   39.54.16.85.22   54.16.85.22.40   16.85.22.40.4   85.22.40.4.87   22.40.4.87.65   40.4.87.65.5   4.87.65.5.31   87.65.5.31.49   65.5.31.49.2   5.31.49.2.26   31.49.2.26.72   49.2.26.72.13   2.26.72.13.36   26.72.13.36.10   72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   33.91   33.91.8   33.91.8.65   33.91.8.65.85   91.8.65.85.55   8.65.85.55.56   65.85.55.56.42   85.55.56.42.80   55.56.42.80.58   56.42.80.58.11   42.80.58.11.95   80.58.11.95.90   58.11.95.90.85   11.95.90.85.47   95.90.85.47.33   90.85.47.33.14   85.47.33.14.3   47.33.14.3.33   33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.9.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN CURRENT ROW         AND CURRENT ROW ) FROM t2
 } {0   74   41   74   23   99   26   33   2   89   81   96   59   38   68   39   62   91   46   6   99   97   27   46   78   54   97   8   67   29   93   84   77   23   16   16   93   65   35   47   7   86   74   61   91   85   24   85   43   59   12   32   56   3   91   22   90   55   15   28   89   25   47   1   56   40   43   56   16   75   36   89   98   76   81   4   94   42   30   78   33   29   53   63   2   87   37   80   84   72   41   9   61   73   95   65   13   58   96   98   1   21   74   65   35   5   73   11   51   87   41   12   8   20   31   31   15   95   22   73   79   88   34   8   11   49   34   90   59   96   60   55   75   77   44   2   7   85   57   74   29   70   59   19   39   26   26   47   80   90   36   58   47   9   72   72   66   33   93   75   64   81   9   23   37   13   12   14   62   91   36   91   33   15   34   36   99   3   95   69   58   52   30   50   84   10   84   33   21   39   44   58   30   38   34   83   27   82   17   7}
@@ -3297,6 +3457,26 @@ do_execsql_test 1.9.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.9.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   74   {}   74   {}   99   {}   33   {}   89   {}   96   {}   38   {}   39   {}   91   {}   6   {}   97   {}   46   {}   54   {}   8   {}   29   {}   84   {}   23   {}   16   {}   65   {}   47   {}   86   {}   61   {}   85   {}   85   {}   59   {}   32   {}   3   {}   22   {}   55   {}   28   {}   25   {}   1   {}   40   {}   56   {}   75   {}   89   {}   76   {}   4   {}   42   {}   78   {}   29   {}   63   {}   87   {}   80   {}   72   {}   9   {}   73   {}   65   {}   58   {}   98   {}   21   {}   65   {}   5   {}   11   {}   87   {}   12   {}   20   {}   31   {}   95   {}   73   {}   88   {}   8   {}   49   {}   90   {}   96   {}   55   {}   77   {}   2   {}   85   {}   74   {}   70   {}   19   {}   26   {}   47   {}   90   {}   58   {}   9   {}   72   {}   33   {}   75   {}   81   {}   23   {}   13   {}   14   {}   91   {}   91   {}   15   {}   36   {}   3   {}   69   {}   52   {}   50   {}   10   {}   33   {}   39   {}   58   {}   38   {}   83   {}   82   {}   7}
+
+do_execsql_test 1.9.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.9.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.9.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND CURRENT ROW) FROM t2
+} {89   6   29   47   59   28   75   78   72   98   87   73   96   74   90   75   91   69   39   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   96   97   84   86   32   25   89   29   9   21   12   88   55   70   58   81   91   52   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74   38   46   23   61   3   1   76   63   73   65   20   8   77   19   9   23   15   50   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99   39   54   16   85   22   40   4   87   65   5   31   49   2   26   72   13   36   10   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33   91   8   65   85   55   56   42   80   58   11   95   90   85   47   33   14   3   33   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.10.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING ) FROM t2
 } {74   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99}
@@ -3657,6 +3837,26 @@ do_execsql_test 1.10.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.10.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING) FROM t2
+} {74.74   74.74.99   74.74.99   74.74.99.33   74.74.99.33   74.74.99.33.89   74.74.99.33.89   74.74.99.33.89.96   74.74.99.33.89.96   74.74.99.33.89.96.38   74.74.99.33.89.96.38   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7}
+
+do_execsql_test 1.10.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.10.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.10.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND 4 FOLLOWING) FROM t2
+} {89.6.29.47.59   89.6.29.47.59.28   89.6.29.47.59.28.75   89.6.29.47.59.28.75.78   89.6.29.47.59.28.75.78.72   89.6.29.47.59.28.75.78.72.98   89.6.29.47.59.28.75.78.72.98.87   89.6.29.47.59.28.75.78.72.98.87.73   89.6.29.47.59.28.75.78.72.98.87.73.96   89.6.29.47.59.28.75.78.72.98.87.73.96.74   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86   74.96.97.84.86.32   74.96.97.84.86.32.25   74.96.97.84.86.32.25.89   74.96.97.84.86.32.25.89.29   74.96.97.84.86.32.25.89.29.9   74.96.97.84.86.32.25.89.29.9.21   74.96.97.84.86.32.25.89.29.9.21.12   74.96.97.84.86.32.25.89.29.9.21.12.88   74.96.97.84.86.32.25.89.29.9.21.12.88.55   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61   74.38.46.23.61.3   74.38.46.23.61.3.1   74.38.46.23.61.3.1.76   74.38.46.23.61.3.1.76.63   74.38.46.23.61.3.1.76.63.73   74.38.46.23.61.3.1.76.63.73.65   74.38.46.23.61.3.1.76.63.73.65.20   74.38.46.23.61.3.1.76.63.73.65.20.8   74.38.46.23.61.3.1.76.63.73.65.20.8.77   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85   99.39.54.16.85.22   99.39.54.16.85.22.40   99.39.54.16.85.22.40.4   99.39.54.16.85.22.40.4.87   99.39.54.16.85.22.40.4.87.65   99.39.54.16.85.22.40.4.87.65.5   99.39.54.16.85.22.40.4.87.65.5.31   99.39.54.16.85.22.40.4.87.65.5.31.49   99.39.54.16.85.22.40.4.87.65.5.31.49.2   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85   33.91.8.65.85.55   33.91.8.65.85.55.56   33.91.8.65.85.55.56.42   33.91.8.65.85.55.56.42.80   33.91.8.65.85.55.56.42.80.58   33.91.8.65.85.55.56.42.80.58.11   33.91.8.65.85.55.56.42.80.58.11.95   33.91.8.65.85.55.56.42.80.58.11.95.90   33.91.8.65.85.55.56.42.80.58.11.95.90.85   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.11.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING ) FROM t2
 } {74   74   74   99   99   99   99   99   99   99   96   96   96   96   96   96   91   91   99   99   99   99   99   99   99   97   97   97   97   97   97   93   93   93   93   93   93   93   93   93   93   86   91   91   91   91   91   91   91   85   85   85   91   91   91   91   91   91   91   90   90   89   89   89   89   56   56   75   75   89   98   98   98   98   98   98   98   94   94   94   94   78   78   87   87   87   87   87   87   87   84   84   95   95   95   95   96   98   98   98   98   98   98   98   74   74   74   87   87   87   87   87   87   87   41   95   95   95   95   95   95   95   88   88   88   90   90   96   96   96   96   96   96   96   77   85   85   85   85   85   85   85   74   74   70   70   80   90   90   90   90   90   90   90   72   72   93   93   93   93   93   93   93   81   81   81   62   91   91   91   91   91   91   91   99   99   99   99   99   99   99   95   95   84   84   84   84   84   84   84   84   58   58   83   83   83   83   83   83   83}
@@ -4017,6 +4217,26 @@ do_execsql_test 1.11.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.11.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING) FROM t2
+} {74   74.74   74.74   74.74.99   74.74.99   74.74.99.33   74.99.33   74.99.33.89   99.33.89   99.33.89.96   33.89.96   33.89.96.38   89.96.38   89.96.38.39   96.38.39   96.38.39.91   38.39.91   38.39.91.6   39.91.6   39.91.6.97   91.6.97   91.6.97.46   6.97.46   6.97.46.54   97.46.54   97.46.54.8   46.54.8   46.54.8.29   54.8.29   54.8.29.84   8.29.84   8.29.84.23   29.84.23   29.84.23.16   84.23.16   84.23.16.65   23.16.65   23.16.65.47   16.65.47   16.65.47.86   65.47.86   65.47.86.61   47.86.61   47.86.61.85   86.61.85   86.61.85.85   61.85.85   61.85.85.59   85.85.59   85.85.59.32   85.59.32   85.59.32.3   59.32.3   59.32.3.22   32.3.22   32.3.22.55   3.22.55   3.22.55.28   22.55.28   22.55.28.25   55.28.25   55.28.25.1   28.25.1   28.25.1.40   25.1.40   25.1.40.56   1.40.56   1.40.56.75   40.56.75   40.56.75.89   56.75.89   56.75.89.76   75.89.76   75.89.76.4   89.76.4   89.76.4.42   76.4.42   76.4.42.78   4.42.78   4.42.78.29   42.78.29   42.78.29.63   78.29.63   78.29.63.87   29.63.87   29.63.87.80   63.87.80   63.87.80.72   87.80.72   87.80.72.9   80.72.9   80.72.9.73   72.9.73   72.9.73.65   9.73.65   9.73.65.58   73.65.58   73.65.58.98   65.58.98   65.58.98.21   58.98.21   58.98.21.65   98.21.65   98.21.65.5   21.65.5   21.65.5.11   65.5.11   65.5.11.87   5.11.87   5.11.87.12   11.87.12   11.87.12.20   87.12.20   87.12.20.31   12.20.31   12.20.31.95   20.31.95   20.31.95.73   31.95.73   31.95.73.88   95.73.88   95.73.88.8   73.88.8   73.88.8.49   88.8.49   88.8.49.90   8.49.90   8.49.90.96   49.90.96   49.90.96.55   90.96.55   90.96.55.77   96.55.77   96.55.77.2   55.77.2   55.77.2.85   77.2.85   77.2.85.74   2.85.74   2.85.74.70   85.74.70   85.74.70.19   74.70.19   74.70.19.26   70.19.26   70.19.26.47   19.26.47   19.26.47.90   26.47.90   26.47.90.58   47.90.58   47.90.58.9   90.58.9   90.58.9.72   58.9.72   58.9.72.33   9.72.33   9.72.33.75   72.33.75   72.33.75.81   33.75.81   33.75.81.23   75.81.23   75.81.23.13   81.23.13   81.23.13.14   23.13.14   23.13.14.91   13.14.91   13.14.91.91   14.91.91   14.91.91.15   91.91.15   91.91.15.36   91.15.36   91.15.36.3   15.36.3   15.36.3.69   36.3.69   36.3.69.52   3.69.52   3.69.52.50   69.52.50   69.52.50.10   52.50.10   52.50.10.33   50.10.33   50.10.33.39   10.33.39   10.33.39.58   33.39.58   33.39.58.38   39.58.38   39.58.38.83   58.38.83   58.38.83.82   38.83.82   38.83.82.7   83.82.7   83.82.7}
+
+do_execsql_test 1.11.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.11.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.11.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND 2 FOLLOWING) FROM t2
+} {89.6.29   89.6.29.47   89.6.29.47.59   89.6.29.47.59.28   89.6.29.47.59.28.75   6.29.47.59.28.75.78   29.47.59.28.75.78.72   47.59.28.75.78.72.98   59.28.75.78.72.98.87   28.75.78.72.98.87.73   75.78.72.98.87.73.96   78.72.98.87.73.96.74   72.98.87.73.96.74.90   98.87.73.96.74.90.75   87.73.96.74.90.75.91   73.96.74.90.75.91.69   96.74.90.75.91.69.39   74.90.75.91.69.39.7   90.75.91.69.39.7   75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97   74.96.97.84   74.96.97.84.86   74.96.97.84.86.32   74.96.97.84.86.32.25   96.97.84.86.32.25.89   97.84.86.32.25.89.29   84.86.32.25.89.29.9   86.32.25.89.29.9.21   32.25.89.29.9.21.12   25.89.29.9.21.12.88   89.29.9.21.12.88.55   29.9.21.12.88.55.70   9.21.12.88.55.70.58   21.12.88.55.70.58.81   12.88.55.70.58.81.91   88.55.70.58.81.91.52   55.70.58.81.91.52.58   70.58.81.91.52.58   58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46   74.38.46.23   74.38.46.23.61   74.38.46.23.61.3   74.38.46.23.61.3.1   38.46.23.61.3.1.76   46.23.61.3.1.76.63   23.61.3.1.76.63.73   61.3.1.76.63.73.65   3.1.76.63.73.65.20   1.76.63.73.65.20.8   76.63.73.65.20.8.77   63.73.65.20.8.77.19   73.65.20.8.77.19.9   65.20.8.77.19.9.23   20.8.77.19.9.23.15   8.77.19.9.23.15.50   77.19.9.23.15.50.38   19.9.23.15.50.38   9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54   99.39.54.16   99.39.54.16.85   99.39.54.16.85.22   99.39.54.16.85.22.40   39.54.16.85.22.40.4   54.16.85.22.40.4.87   16.85.22.40.4.87.65   85.22.40.4.87.65.5   22.40.4.87.65.5.31   40.4.87.65.5.31.49   4.87.65.5.31.49.2   87.65.5.31.49.2.26   65.5.31.49.2.26.72   5.31.49.2.26.72.13   31.49.2.26.72.13.36   49.2.26.72.13.36.10   2.26.72.13.36.10.83   26.72.13.36.10.83   72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8   33.91.8.65   33.91.8.65.85   33.91.8.65.85.55   33.91.8.65.85.55.56   91.8.65.85.55.56.42   8.65.85.55.56.42.80   65.85.55.56.42.80.58   85.55.56.42.80.58.11   55.56.42.80.58.11.95   56.42.80.58.11.95.90   42.80.58.11.95.90.85   80.58.11.95.90.85.47   58.11.95.90.85.47.33   11.95.90.85.47.33.14   95.90.85.47.33.14.3   90.85.47.33.14.3.33   85.47.33.14.3.33.82   47.33.14.3.33.82   33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.12.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING ) FROM t2
 } {74   99   99   99   99   99   89   96   96   96   96   96   68   91   91   91   99   99   99   99   99   97   97   97   97   97   97   93   93   93   93   84   93   93   93   93   93   86   86   86   91   91   91   91   91   85   85   85   59   59   91   91   91   91   91   90   90   89   89   89   89   56   56   56   56   75   75   89   98   98   98   98   98   94   94   94   94   78   78   78   63   87   87   87   87   87   84   84   84   73   95   95   95   95   96   98   98   98   98   98   74   74   74   73   73   87   87   87   87   87   41   31   31   95   95   95   95   95   88   88   88   88   49   90   90   96   96   96   96   96   77   77   77   85   85   85   85   85   74   74   70   70   59   47   80   90   90   90   90   90   72   72   72   72   93   93   93   93   93   81   81   81   37   37   62   91   91   91   91   91   91   91   99   99   99   99   99   95   95   69   84   84   84   84   84   84   84   58   58   58   58   83   83   83   83   83   82   82   17   7}
@@ -4377,6 +4597,26 @@ do_execsql_test 1.12.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.12.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING) FROM t2
+} {74.74   74.74.99   74.99   74.99.33   99.33   99.33.89   33.89   33.89.96   89.96   89.96.38   96.38   96.38.39   38.39   38.39.91   39.91   39.91.6   91.6   91.6.97   6.97   6.97.46   97.46   97.46.54   46.54   46.54.8   54.8   54.8.29   8.29   8.29.84   29.84   29.84.23   84.23   84.23.16   23.16   23.16.65   16.65   16.65.47   65.47   65.47.86   47.86   47.86.61   86.61   86.61.85   61.85   61.85.85   85.85   85.85.59   85.59   85.59.32   59.32   59.32.3   32.3   32.3.22   3.22   3.22.55   22.55   22.55.28   55.28   55.28.25   28.25   28.25.1   25.1   25.1.40   1.40   1.40.56   40.56   40.56.75   56.75   56.75.89   75.89   75.89.76   89.76   89.76.4   76.4   76.4.42   4.42   4.42.78   42.78   42.78.29   78.29   78.29.63   29.63   29.63.87   63.87   63.87.80   87.80   87.80.72   80.72   80.72.9   72.9   72.9.73   9.73   9.73.65   73.65   73.65.58   65.58   65.58.98   58.98   58.98.21   98.21   98.21.65   21.65   21.65.5   65.5   65.5.11   5.11   5.11.87   11.87   11.87.12   87.12   87.12.20   12.20   12.20.31   20.31   20.31.95   31.95   31.95.73   95.73   95.73.88   73.88   73.88.8   88.8   88.8.49   8.49   8.49.90   49.90   49.90.96   90.96   90.96.55   96.55   96.55.77   55.77   55.77.2   77.2   77.2.85   2.85   2.85.74   85.74   85.74.70   74.70   74.70.19   70.19   70.19.26   19.26   19.26.47   26.47   26.47.90   47.90   47.90.58   90.58   90.58.9   58.9   58.9.72   9.72   9.72.33   72.33   72.33.75   33.75   33.75.81   75.81   75.81.23   81.23   81.23.13   23.13   23.13.14   13.14   13.14.91   14.91   14.91.91   91.91   91.91.15   91.15   91.15.36   15.36   15.36.3   36.3   36.3.69   3.69   3.69.52   69.52   69.52.50   52.50   52.50.10   50.10   50.10.33   10.33   10.33.39   33.39   33.39.58   39.58   39.58.38   58.38   58.38.83   38.83   38.83.82   83.82   83.82.7   82.7   82.7   7   7}
+
+do_execsql_test 1.12.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.12.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.12.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND 4 FOLLOWING) FROM t2
+} {89.6.29.47.59   6.29.47.59.28   29.47.59.28.75   47.59.28.75.78   59.28.75.78.72   28.75.78.72.98   75.78.72.98.87   78.72.98.87.73   72.98.87.73.96   98.87.73.96.74   87.73.96.74.90   73.96.74.90.75   96.74.90.75.91   74.90.75.91.69   90.75.91.69.39   75.91.69.39.7   91.69.39.7   69.39.7   39.7   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86   96.97.84.86.32   97.84.86.32.25   84.86.32.25.89   86.32.25.89.29   32.25.89.29.9   25.89.29.9.21   89.29.9.21.12   29.9.21.12.88   9.21.12.88.55   21.12.88.55.70   12.88.55.70.58   88.55.70.58.81   55.70.58.81.91   70.58.81.91.52   58.81.91.52.58   81.91.52.58   91.52.58   52.58   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61   38.46.23.61.3   46.23.61.3.1   23.61.3.1.76   61.3.1.76.63   3.1.76.63.73   1.76.63.73.65   76.63.73.65.20   63.73.65.20.8   73.65.20.8.77   65.20.8.77.19   20.8.77.19.9   8.77.19.9.23   77.19.9.23.15   19.9.23.15.50   9.23.15.50.38   23.15.50.38   15.50.38   50.38   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85   39.54.16.85.22   54.16.85.22.40   16.85.22.40.4   85.22.40.4.87   22.40.4.87.65   40.4.87.65.5   4.87.65.5.31   87.65.5.31.49   65.5.31.49.2   5.31.49.2.26   31.49.2.26.72   49.2.26.72.13   2.26.72.13.36   26.72.13.36.10   72.13.36.10.83   13.36.10.83   36.10.83   10.83   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85   91.8.65.85.55   8.65.85.55.56   65.85.55.56.42   85.55.56.42.80   55.56.42.80.58   56.42.80.58.11   42.80.58.11.95   80.58.11.95.90   58.11.95.90.85   11.95.90.85.47   95.90.85.47.33   90.85.47.33.14   85.47.33.14.3   47.33.14.3.33   33.14.3.33.82   14.3.33.82   3.33.82   33.82   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.13.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING ) FROM t2
 } {74   99   99   99   33   89   89   96   96   96   68   68   68   91   91   91   99   99   99   97   78   78   97   97   97   67   93   93   93   84   77   23   93   93   93   65   47   86   86   86   91   91   91   85   85   85   59   59   56   56   91   91   91   90   90   55   89   89   89   47   56   56   56   56   56   75   75   89   98   98   98   81   94   94   94   78   78   78   53   63   63   87   87   87   84   84   84   72   61   73   95   95   95   65   96   98   98   98   74   74   74   65   73   73   73   87   87   87   41   20   31   31   31   95   95   95   79   88   88   88   34   49   49   90   90   96   96   96   75   77   77   77   44   85   85   85   74   74   70   70   59   39   39   47   80   90   90   90   58   58   72   72   72   72   93   93   93   81   81   81   37   37   37   14   62   91   91   91   91   91   34   36   99   99   99   95   95   69   58   52   84   84   84   84   84   39   44   58   58   58   38   83   83   83   82   82   17   7   {}   {}}
@@ -4737,6 +4977,26 @@ do_execsql_test 1.13.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING) FROM t2
 } {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
 
+do_execsql_test 1.13.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING) FROM t2
+} {74   74.99   99   99.33   33   33.89   89   89.96   96   96.38   38   38.39   39   39.91   91   91.6   6   6.97   97   97.46   46   46.54   54   54.8   8   8.29   29   29.84   84   84.23   23   23.16   16   16.65   65   65.47   47   47.86   86   86.61   61   61.85   85   85.85   85   85.59   59   59.32   32   32.3   3   3.22   22   22.55   55   55.28   28   28.25   25   25.1   1   1.40   40   40.56   56   56.75   75   75.89   89   89.76   76   76.4   4   4.42   42   42.78   78   78.29   29   29.63   63   63.87   87   87.80   80   80.72   72   72.9   9   9.73   73   73.65   65   65.58   58   58.98   98   98.21   21   21.65   65   65.5   5   5.11   11   11.87   87   87.12   12   12.20   20   20.31   31   31.95   95   95.73   73   73.88   88   88.8   8   8.49   49   49.90   90   90.96   96   96.55   55   55.77   77   77.2   2   2.85   85   85.74   74   74.70   70   70.19   19   19.26   26   26.47   47   47.90   90   90.58   58   58.9   9   9.72   72   72.33   33   33.75   75   75.81   81   81.23   23   23.13   13   13.14   14   14.91   91   91.91   91   91.15   15   15.36   36   36.3   3   3.69   69   69.52   52   52.50   50   50.10   10   10.33   33   33.39   39   39.58   58   58.38   38   38.83   83   83.82   82   82.7   7   7   {}   {}}
+
+do_execsql_test 1.13.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.13.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.13.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 2 FOLLOWING    AND 4 FOLLOWING) FROM t2
+} {29.47.59   47.59.28   59.28.75   28.75.78   75.78.72   78.72.98   72.98.87   98.87.73   87.73.96   73.96.74   96.74.90   74.90.75   90.75.91   75.91.69   91.69.39   69.39.7   39.7   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   97.84.86   84.86.32   86.32.25   32.25.89   25.89.29   89.29.9   29.9.21   9.21.12   21.12.88   12.88.55   88.55.70   55.70.58   70.58.81   58.81.91   81.91.52   91.52.58   52.58   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   46.23.61   23.61.3   61.3.1   3.1.76   1.76.63   76.63.73   63.73.65   73.65.20   65.20.8   20.8.77   8.77.19   77.19.9   19.9.23   9.23.15   23.15.50   15.50.38   50.38   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   54.16.85   16.85.22   85.22.40   22.40.4   40.4.87   4.87.65   87.65.5   65.5.31   5.31.49   31.49.2   49.2.26   2.26.72   26.72.13   72.13.36   13.36.10   36.10.83   10.83   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   8.65.85   65.85.55   85.55.56   55.56.42   56.42.80   42.80.58   80.58.11   58.11.95   11.95.90   95.90.85   90.85.47   85.47.33   47.33.14   33.14.3   14.3.33   3.33.82   33.82   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.14.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99}
@@ -5097,6 +5357,26 @@ do_execsql_test 1.14.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.14.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7}
+
+do_execsql_test 1.14.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.14.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.14.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) FROM t2
+} {89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.15.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   95   95   84   84   84   84   84   84   84   84   83   83   83   83   83   83   83   83   83}
@@ -5457,6 +5737,26 @@ do_execsql_test 1.15.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.15.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING) FROM t2
+} {74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   33.39.58.38.83.82.7   33.39.58.38.83.82.7   39.58.38.83.82.7   39.58.38.83.82.7   58.38.83.82.7   58.38.83.82.7   38.83.82.7   38.83.82.7   83.82.7   83.82.7}
+
+do_execsql_test 1.15.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.15.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.15.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 PRECEDING    AND UNBOUNDED FOLLOWING) FROM t2
+} {89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   75.78.72.98.87.73.96.74.90.75.91.69.39.7   78.72.98.87.73.96.74.90.75.91.69.39.7   72.98.87.73.96.74.90.75.91.69.39.7   98.87.73.96.74.90.75.91.69.39.7   87.73.96.74.90.75.91.69.39.7   73.96.74.90.75.91.69.39.7   96.74.90.75.91.69.39.7   74.90.75.91.69.39.7   90.75.91.69.39.7   75.91.69.39.7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   25.89.29.9.21.12.88.55.70.58.81.91.52.58   89.29.9.21.12.88.55.70.58.81.91.52.58   29.9.21.12.88.55.70.58.81.91.52.58   9.21.12.88.55.70.58.81.91.52.58   21.12.88.55.70.58.81.91.52.58   12.88.55.70.58.81.91.52.58   88.55.70.58.81.91.52.58   55.70.58.81.91.52.58   70.58.81.91.52.58   58.81.91.52.58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   1.76.63.73.65.20.8.77.19.9.23.15.50.38   76.63.73.65.20.8.77.19.9.23.15.50.38   63.73.65.20.8.77.19.9.23.15.50.38   73.65.20.8.77.19.9.23.15.50.38   65.20.8.77.19.9.23.15.50.38   20.8.77.19.9.23.15.50.38   8.77.19.9.23.15.50.38   77.19.9.23.15.50.38   19.9.23.15.50.38   9.23.15.50.38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   40.4.87.65.5.31.49.2.26.72.13.36.10.83   4.87.65.5.31.49.2.26.72.13.36.10.83   87.65.5.31.49.2.26.72.13.36.10.83   65.5.31.49.2.26.72.13.36.10.83   5.31.49.2.26.72.13.36.10.83   31.49.2.26.72.13.36.10.83   49.2.26.72.13.36.10.83   2.26.72.13.36.10.83   26.72.13.36.10.83   72.13.36.10.83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   56.42.80.58.11.95.90.85.47.33.14.3.33.82   42.80.58.11.95.90.85.47.33.14.3.33.82   80.58.11.95.90.85.47.33.14.3.33.82   58.11.95.90.85.47.33.14.3.33.82   11.95.90.85.47.33.14.3.33.82   95.90.85.47.33.14.3.33.82   90.85.47.33.14.3.33.82   85.47.33.14.3.33.82   47.33.14.3.33.82   33.14.3.33.82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.16.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   95   95   84   84   84   84   84   84   84   84   83   83   83   83   83   83   83   83   83   82   82   17   7}
@@ -5817,6 +6117,26 @@ do_execsql_test 1.16.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
 } {0   74   74   26   2   96   38   68   62   46   6   46   78   54   8   84   16   16   86   74   24   12   32   56   22   90   28   56   40   56   16   36   98   76   4   94   42   30   78   2   80   84   72   58   96   98   74   12   8   20   22   88   34   8   34   90   96   60   44   2   74   70   26   26   80   90   36   58   72   72   66   64   12   14   62   36   34   36   58   52   30   50   84   10   84   44   58   30   38   34   82   41   23   99   33   89   81   59   39   91   99   97   27   97   67   29   93   77   23   93   65   35   47   7   61   91   85   85   43   59   3   91   55   15   89   25   47   1   43   75   89   81   33   29   53   63   87   37   41   9   61   73   95   65   13   1   21   65   35   5   73   11   51   87   41   31   31   15   95   73   79   11   49   59   55   75   77   7   85   57   29   59   19   39   47   47   9   33   93   75   81   9   23   37   13   91   91   33   15   99   3   95   69   33   21   39   83   27   17   7}
 
+do_execsql_test 1.16.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   33.39.58.38.83.82.7   33.39.58.38.83.82.7   39.58.38.83.82.7   39.58.38.83.82.7   58.38.83.82.7   58.38.83.82.7   38.83.82.7   38.83.82.7   83.82.7   83.82.7   82.7   82.7   7   7}
+
+do_execsql_test 1.16.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.16.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.16.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING) FROM t2
+} {89.6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   6.29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   29.47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   47.59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   75.78.72.98.87.73.96.74.90.75.91.69.39.7   78.72.98.87.73.96.74.90.75.91.69.39.7   72.98.87.73.96.74.90.75.91.69.39.7   98.87.73.96.74.90.75.91.69.39.7   87.73.96.74.90.75.91.69.39.7   73.96.74.90.75.91.69.39.7   96.74.90.75.91.69.39.7   74.90.75.91.69.39.7   90.75.91.69.39.7   75.91.69.39.7   91.69.39.7   69.39.7   39.7   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   96.97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   97.84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   84.86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   25.89.29.9.21.12.88.55.70.58.81.91.52.58   89.29.9.21.12.88.55.70.58.81.91.52.58   29.9.21.12.88.55.70.58.81.91.52.58   9.21.12.88.55.70.58.81.91.52.58   21.12.88.55.70.58.81.91.52.58   12.88.55.70.58.81.91.52.58   88.55.70.58.81.91.52.58   55.70.58.81.91.52.58   70.58.81.91.52.58   58.81.91.52.58   81.91.52.58   91.52.58   52.58   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   74.38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   38.46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   46.23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   23.61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   1.76.63.73.65.20.8.77.19.9.23.15.50.38   76.63.73.65.20.8.77.19.9.23.15.50.38   63.73.65.20.8.77.19.9.23.15.50.38   73.65.20.8.77.19.9.23.15.50.38   65.20.8.77.19.9.23.15.50.38   20.8.77.19.9.23.15.50.38   8.77.19.9.23.15.50.38   77.19.9.23.15.50.38   19.9.23.15.50.38   9.23.15.50.38   23.15.50.38   15.50.38   50.38   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   99.39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   39.54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   54.16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   16.85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   40.4.87.65.5.31.49.2.26.72.13.36.10.83   4.87.65.5.31.49.2.26.72.13.36.10.83   87.65.5.31.49.2.26.72.13.36.10.83   65.5.31.49.2.26.72.13.36.10.83   5.31.49.2.26.72.13.36.10.83   31.49.2.26.72.13.36.10.83   49.2.26.72.13.36.10.83   2.26.72.13.36.10.83   26.72.13.36.10.83   72.13.36.10.83   13.36.10.83   36.10.83   10.83   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   33.91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   91.8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   8.65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   65.85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   56.42.80.58.11.95.90.85.47.33.14.3.33.82   42.80.58.11.95.90.85.47.33.14.3.33.82   80.58.11.95.90.85.47.33.14.3.33.82   58.11.95.90.85.47.33.14.3.33.82   11.95.90.85.47.33.14.3.33.82   95.90.85.47.33.14.3.33.82   90.85.47.33.14.3.33.82   85.47.33.14.3.33.82   47.33.14.3.33.82   33.14.3.33.82   14.3.33.82   3.33.82   33.82   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 do_execsql_test 1.17.2.1 {
   SELECT max(b) OVER ( ORDER BY a ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING ) FROM t2
 } {99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   99   95   95   84   84   84   84   84   84   84   84   83   83   83   83   83   83   83   83   83   82   82   17   7   {}   {}   {}   {}}
@@ -6177,4 +6497,24 @@ do_execsql_test 1.17.14.6 {
   SELECT group_concat(CAST(b AS TEXT), '.') OVER (PARTITION BY b%2,a ORDER BY b%10 ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING) FROM t2
 } {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
 
+do_execsql_test 1.17.15.1 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (ORDER BY a ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING) FROM t2
+} {99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   99.33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   89.96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   38.39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   39.91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   6.97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   97.46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   46.54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   54.8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   29.84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   84.23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   16.65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   86.61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   61.85.85.59.32.3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   3.22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   22.55.28.25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   25.1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   1.40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   40.56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   56.75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.89.76.4.42.78.29.63.87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   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87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   80.72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   98.21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   21.65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   65.5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   5.11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   11.87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   87.12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   12.20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   20.31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   31.95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   95.73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   73.88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   88.8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   8.49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   49.90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   96.55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   55.77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   77.2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   2.85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   85.74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   74.70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   70.19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   19.26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   26.47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   47.90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   90.58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   58.9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   9.72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   72.33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   33.75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   75.81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   81.23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   23.13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   13.14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   14.91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   91.15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   15.36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   36.3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   3.69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   69.52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   52.50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   50.10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   10.33.39.58.38.83.82.7   33.39.58.38.83.82.7   33.39.58.38.83.82.7   39.58.38.83.82.7   39.58.38.83.82.7   58.38.83.82.7   58.38.83.82.7   38.83.82.7   38.83.82.7   83.82.7   83.82.7   82.7   82.7   7   7   {}   {}   {}   {}}
+
+do_execsql_test 1.17.15.2 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 0=1) OVER (ORDER BY a ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.17.15.3 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE 1=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING) FROM t2
+} {{}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
+do_execsql_test 1.17.15.4 {
+  SELECT group_concat(CAST(b AS TEXT), '.') 
+    FILTER (WHERE a%2=0) OVER (PARTITION BY (a%10) ORDER BY a ROWS BETWEEN 4 FOLLOWING    AND UNBOUNDED FOLLOWING) FROM t2
+} {59.28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   28.75.78.72.98.87.73.96.74.90.75.91.69.39.7   75.78.72.98.87.73.96.74.90.75.91.69.39.7   78.72.98.87.73.96.74.90.75.91.69.39.7   72.98.87.73.96.74.90.75.91.69.39.7   98.87.73.96.74.90.75.91.69.39.7   87.73.96.74.90.75.91.69.39.7   73.96.74.90.75.91.69.39.7   96.74.90.75.91.69.39.7   74.90.75.91.69.39.7   90.75.91.69.39.7   75.91.69.39.7   91.69.39.7   69.39.7   39.7   7   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   86.32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   32.25.89.29.9.21.12.88.55.70.58.81.91.52.58   25.89.29.9.21.12.88.55.70.58.81.91.52.58   89.29.9.21.12.88.55.70.58.81.91.52.58   29.9.21.12.88.55.70.58.81.91.52.58   9.21.12.88.55.70.58.81.91.52.58   21.12.88.55.70.58.81.91.52.58   12.88.55.70.58.81.91.52.58   88.55.70.58.81.91.52.58   55.70.58.81.91.52.58   70.58.81.91.52.58   58.81.91.52.58   81.91.52.58   91.52.58   52.58   58   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   61.3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   3.1.76.63.73.65.20.8.77.19.9.23.15.50.38   1.76.63.73.65.20.8.77.19.9.23.15.50.38   76.63.73.65.20.8.77.19.9.23.15.50.38   63.73.65.20.8.77.19.9.23.15.50.38   73.65.20.8.77.19.9.23.15.50.38   65.20.8.77.19.9.23.15.50.38   20.8.77.19.9.23.15.50.38   8.77.19.9.23.15.50.38   77.19.9.23.15.50.38   19.9.23.15.50.38   9.23.15.50.38   23.15.50.38   15.50.38   50.38   38   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   85.22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   22.40.4.87.65.5.31.49.2.26.72.13.36.10.83   40.4.87.65.5.31.49.2.26.72.13.36.10.83   4.87.65.5.31.49.2.26.72.13.36.10.83   87.65.5.31.49.2.26.72.13.36.10.83   65.5.31.49.2.26.72.13.36.10.83   5.31.49.2.26.72.13.36.10.83   31.49.2.26.72.13.36.10.83   49.2.26.72.13.36.10.83   2.26.72.13.36.10.83   26.72.13.36.10.83   72.13.36.10.83   13.36.10.83   36.10.83   10.83   83   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   85.55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   55.56.42.80.58.11.95.90.85.47.33.14.3.33.82   56.42.80.58.11.95.90.85.47.33.14.3.33.82   42.80.58.11.95.90.85.47.33.14.3.33.82   80.58.11.95.90.85.47.33.14.3.33.82   58.11.95.90.85.47.33.14.3.33.82   11.95.90.85.47.33.14.3.33.82   95.90.85.47.33.14.3.33.82   90.85.47.33.14.3.33.82   85.47.33.14.3.33.82   47.33.14.3.33.82   33.14.3.33.82   14.3.33.82   3.33.82   33.82   82   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}   {}}
+
 finish_test

diff --git a/test/window4.tcl b/test/window4.tcl
index 9b5299310affac8b362ae414a823072952378f48..30b56ca4e8cb8bae0cc0e58be5481cc6b65cb2d4 100644 (file)
--- a/test/window4.tcl
+++ b/test/window4.tcl
@@ -97,5 +97,11 @@ execsql_test 3.3 {
   ORDER BY a;
 }
 
+execsql_test 3.4 {
+  SELECT a, max(a) FILTER (WHERE (a%2)=0) OVER w FROM t5 
+  WINDOW w AS (ORDER BY a)
+}
+
+
 finish_test
 

diff --git a/test/window4.test b/test/window4.test
index fd49752e71a3e8f1f4266ee298838f17508840a0..70963800f5f1bf6783eba8cdb2b711132a7704d3 100644 (file)
--- a/test/window4.test
+++ b/test/window4.test
@@ -176,4 +176,14 @@ do_execsql_test 3.3 {
   ORDER BY a;
 } {1 1 5   2 2 4   3 3 3   4 4 2   5 5 1}
 
+explain_i {
+  SELECT a, max(a) FILTER (WHERE (a%2)=0) OVER w FROM t5 
+  WINDOW w AS (ORDER BY a)
+  }
+  breakpoint
+do_execsql_test 3.4 {
+  SELECT a, max(a) FILTER (WHERE (a%2)=0) OVER w FROM t5 
+  WINDOW w AS (ORDER BY a)
+} {1 {}   2 2   3 2   4 4   5 4}
+
 finish_test