From: drh <drh@noemail.net>
Date: Thu, 3 Nov 2016 18:35:19 +0000 (+0000)
Subject: Make sure left-join markings are transferred to the virtual scalar
X-Git-Tag: version-3.15.1~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=15f3a25ffbbce70070afff64b82c26604121bf4f;p=thirdparty%2Fsqlite.git

Make sure left-join markings are transferred to the virtual scalar
subexpressions when decomposing a vector comparison in the ON clause of
a LEFT JOIN.
Fix for ticket [fef4bb4bd9185ec8f].

FossilOrigin-Name: aba1e22bbae1cd21f6e1d10773ccbfc4682db52c
---

diff --git a/manifest b/manifest
index 1248a42fe4..76d7b42cc0 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C If\sall\sbranches\sof\san\sOR\soptimize\sscan\sthat\sis\sthe\srhs\sof\sa\sLEFT\sJOIN\suse\sthe\nsame\sindex,\sset\sthe\sindex\scursor\sto\sreturn\sNULL\svalues\sif\sthere\sare\sno\smatches\nfor\sa\srow\son\sthe\slhs.\s\sFix\sfor\sticket\s[34a579141b2c5ac]
-D 2016-11-03T18:33:52.696
+C Make\ssure\sleft-join\smarkings\sare\stransferred\sto\sthe\svirtual\sscalar\nsubexpressions\swhen\sdecomposing\sa\svector\scomparison\sin\sthe\sON\sclause\sof\na\sLEFT\sJOIN.\nFix\sfor\sticket\s[fef4bb4bd9185ec8f].
+D 2016-11-03T18:35:19.014
 F Makefile.in 6fd48ffcf7c2deea7499062d1f3747f986c19678
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 5151cc64c4c05f3455f4f692ad11410a810d937f
@@ -471,7 +471,7 @@ F src/walker.c 91a6df7435827e41cff6bb7df50ea00934ee78b0
 F src/where.c 125af074723cf390d0e71ed1ca385240e6d4ea7c
 F src/whereInt.h 2bcc3d176e6091cb8f50a30b65c006e88a73614d
 F src/wherecode.c 717a65294df46f30e9b9933d2a63a4bcbca5a9a8
-F src/whereexpr.c 379d0017fb7bc9e5a4d8cd4b056c747de946430e
+F src/whereexpr.c a83d70154f3bbce5051a7e9710021f647c0fe4f2
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
@@ -1024,7 +1024,7 @@ F test/rollbackfault.test 0e646aeab8840c399cfbfa43daab46fd609cf04a
 F test/rowallock.test 3f88ec6819489d0b2341c7a7528ae17c053ab7cc
 F test/rowhash.test 0bc1d31415e4575d10cacf31e1a66b5cc0f8be81
 F test/rowid.test 5b7509f384f4f6fae1af3c8c104c8ca299fea18d
-F test/rowvalue.test 753eb744b7efeb5ac643d35d6e1e5066452ccf79
+F test/rowvalue.test bcd78c91fe2aadade6fd00d2616546650b9ebc9e
 F test/rowvalue2.test 060d238b7e5639a7c5630cb5e63e311b44efef2b
 F test/rowvalue3.test 01399b7bf150b0d41abce76c18072da777c2500c
 F test/rowvalue4.test 4b556d7de161a0dd8cff095c336e913986398bea
@@ -1526,8 +1526,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 0fc4f0f4c270d29ec9c03d2954ef57f98461ede8
-Q +ec9dab8054c71d112c68f58a45821b38c2a45677
-R b74c0a845e2e5047c9a6af740eb668f6
+P 54eeddeceb7545c9843d4ddf4ff73a894214c43b
+Q +619f5cc71774a37648e185c8502d7af14eb09b7f
+R 9b1102c35e4cb06cf53ebb9652488d69
 U drh
-Z fac95abf508553a060f232c04f72da9c
+Z 4255b479a7cc8a73ed5c42bbcc82c7b0
diff --git a/manifest.uuid b/manifest.uuid
index b4c729fa1d..5543212928 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-54eeddeceb7545c9843d4ddf4ff73a894214c43b
\ No newline at end of file
+aba1e22bbae1cd21f6e1d10773ccbfc4682db52c
\ No newline at end of file
diff --git a/src/whereexpr.c b/src/whereexpr.c
index 7406a3bf9a..40075bedee 100644
--- a/src/whereexpr.c
+++ b/src/whereexpr.c
@@ -1198,6 +1198,7 @@ static void exprAnalyze(
       Expr *pRight = sqlite3ExprForVectorField(pParse, pExpr->pRight, i);
 
       pNew = sqlite3PExpr(pParse, pExpr->op, pLeft, pRight, 0);
+      transferJoinMarkings(pNew, pExpr);
       idxNew = whereClauseInsert(pWC, pNew, TERM_DYNAMIC);
       exprAnalyze(pSrc, pWC, idxNew);
     }
diff --git a/test/rowvalue.test b/test/rowvalue.test
index f53d5328ca..6ab1154b50 100644
--- a/test/rowvalue.test
+++ b/test/rowvalue.test
@@ -255,5 +255,15 @@ do_catchsql_test 11.8 {
   SELECT * FROM t11 WHERE (a,a) IS NOT 1;
 } {1 {row value misused}}
 
+# 2016-10-27: https://www.sqlite.org/src/tktview/fef4bb4bd9185ec8f
+# Incorrect result from a LEFT JOIN with a row-value constraint
+#
+do_execsql_test 12.1 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2);
+  DROP TABLE IF EXISTS t2;
+  CREATE TABLE t2(x,y); INSERT INTO t2 VALUES(3,4);
+  SELECT *,'x' FROM t1 LEFT JOIN t2 ON (a,b)=(x,y);
+} {1 2 {} {} x}
 
 finish_test