From: drh <drh@noemail.net>
Date: Mon, 18 May 2009 16:14:25 +0000 (+0000)
Subject: Port patches from the trunk into the 3.6.14.1 branch:
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c69ff738ab4cd05184d3f96738780a93413f42b5;p=thirdparty%2Fsqlite.git

Port patches from the trunk into the 3.6.14.1 branch:
the group_concat() fix of check-in (6616), ticket #3841 and the
pcache fix of check-in (6619), ticket #3844. (CVS 6652)

FossilOrigin-Name: 2a277c55b2f90d53208147423b409bc05e12ebd0
---

diff --git a/manifest b/manifest
index c70be5d11e..4fcf0019b6 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Update\sthe\sversion\snumber\sfor\sthe\s3.6.14.1\sbranch.\s(CVS\s6651)
-D 2009-05-18T16:12:08
+C Port\spatches\sfrom\sthe\strunk\sinto\sthe\s3.6.14.1\sbranch:\nthe\sgroup_concat()\sfix\sof\scheck-in\s(6616),\sticket\s#3841\sand\sthe\npcache\sfix\sof\scheck-in\s(6619),\sticket\s#3844.\s(CVS\s6652)
+D 2009-05-18T16:14:25
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -151,7 +151,7 @@ F src/pager.h 73f481a308a873ccd626d97331c081db3b53e2e5
 F src/parse.y a0e8b8e5d646a6352098fccc9d3325b4234a05b9
 F src/pcache.c 395f752a13574120bd7513a400ba02a265aaa76d
 F src/pcache.h 9b927ccc5a538e31b4c3bc7eec4f976db42a1324
-F src/pcache1.c 35f8601c91c09a1e887a1914ebca07bb5afc7b89
+F src/pcache1.c b08287d2cd208de6d40a6139afb69f3117a35cea
 F src/pragma.c c26c16c49a80d03c8597f0e6c7daba53f283428f
 F src/prepare.c 72d74e6d3b9c8eb0663b33ec6438aa718096ac79
 F src/printf.c 3f4dca207a88258d37af5a7a03e800a825fe6456
@@ -203,7 +203,7 @@ F src/update.c deb930324dd67b7ad98234e1258a0ebcdd1ca0f9
 F src/utf.c 9541d28f40441812c0b40f00334372a0542c00ff
 F src/util.c 71c2d9d6befc0405377744585461246c30a4474b
 F src/vacuum.c e8d178004377e97500c7ea87c8a3542976e3ea45
-F src/vdbe.c 3cecc2bb87192a0a425623bd530d67cc1b368ce5
+F src/vdbe.c 09e2a26881dad8c3503e6743f549f698e5e7550d
 F src/vdbe.h 35a648bc3279a120da24f34d9a25213ec15daf8a
 F src/vdbeInt.h 43183a2a18654fa570219ab65e53a608057c48ae
 F src/vdbeapi.c 86aa27a5f3493aaffb8ac051782aa3b22670d7ed
@@ -494,7 +494,7 @@ F test/pager2.test d4b7f6b70ff018b9995e622a32526b275f515042
 F test/pager3.test 2323bf27fd5bd887b580247e5bce500ceee994b4
 F test/pageropt.test 3ee6578891baaca967f0bd349e4abfa736229e1a
 F test/pagesize.test 0d9ff3fedfce6e5ffe8fa7aca9b6d3433a2e843b
-F test/pcache.test 70ad1d65cf73f6a0a7501e0236312eb214d93a55
+F test/pcache.test af48f31b75d55b6867dd1fcfb44af361385f53ca
 F test/pcache2.test 46efd980a89f737847b99327bda19e08fe11e402
 F test/permutations.test 386b8e6b8e8e6aec41f6ed59a37353e412bfb00a
 F test/pragma.test a35b0be36542477183168cdb8b743f5c0d883c4d
@@ -612,7 +612,7 @@ F test/tkt2832.test a9b0b74a02dca166a04d9e37739c414b10929caa
 F test/tkt2854.test b81dc3144901b123fe5674471adf5a47ca48a7c3
 F test/tkt2920.test a8737380e4ae6424e00c0273dc12775704efbebf
 F test/tkt2927.test 4752868b9eeeb07a217f7f19f4cbaac98d6d086d
-F test/tkt2942.test c5c87d179799ca6d1fbe83c815510b87cd5ec7ce
+F test/tkt2942.test 70855de32e666b5393b65d9ec923c739245181e9
 F test/tkt3080.test 1bca7579260920a66b4dd7e196e807c0f25ff804
 F test/tkt3093.test fbdbc5b4969244ad11f540759003e361fcaf391f
 F test/tkt3121.test 536df66a02838c26a12fe98639354ca1290ca68b
@@ -728,7 +728,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 469ad1ded35f5ff8ab2f6e8f776d73a9cea73527
-R 3067df14170f73d9e1fcbeadac5f4256
+P f06cae3b5e42e5a2c1a30cd91a7c594e6cd834d0
+R 1c1e6ac7cf542b0855883429017df0a3
 U drh
-Z 1b9f28348b5974a4a630f8e8705c7fe3
+Z cfce3ac25aea286dd8f950d6ba5467e3
diff --git a/manifest.uuid b/manifest.uuid
index 193d47e1bb..795796300c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f06cae3b5e42e5a2c1a30cd91a7c594e6cd834d0
\ No newline at end of file
+2a277c55b2f90d53208147423b409bc05e12ebd0
\ No newline at end of file
diff --git a/src/pcache1.c b/src/pcache1.c
index c77aa23190..7f5e9a8d1c 100644
--- a/src/pcache1.c
+++ b/src/pcache1.c
@@ -16,7 +16,7 @@
 ** If the default page cache implementation is overriden, then neither of
 ** these two features are available.
 **
-** @(#) $Id: pcache1.c,v 1.11 2009/04/14 18:44:39 aswift Exp $
+** @(#) $Id: pcache1.c,v 1.11.2.1 2009/05/18 16:14:25 drh Exp $
 */
 
 #include "sqliteInt.h"
@@ -360,6 +360,7 @@ static void pcache1TruncateUnsafe(
   PCache1 *pCache, 
   unsigned int iLimit 
 ){
+  TESTONLY( int nPage = 0; )      /* Used to assert pCache->nPage is correct */
   unsigned int h;
   assert( sqlite3_mutex_held(pcache1.mutex) );
   for(h=0; h<pCache->nHash; h++){
@@ -367,14 +368,17 @@ static void pcache1TruncateUnsafe(
     PgHdr1 *pPage;
     while( (pPage = *pp)!=0 ){
       if( pPage->iKey>=iLimit ){
-        pcache1PinPage(pPage);
+        pCache->nPage--;
         *pp = pPage->pNext;
+        pcache1PinPage(pPage);
         pcache1FreePage(pPage);
       }else{
         pp = &pPage->pNext;
+        TESTONLY( nPage++ );
       }
     }
   }
+  assert( pCache->nPage==nPage );
 }
 
 /******************************************************************************/
diff --git a/src/vdbe.c b/src/vdbe.c
index 56667f58c9..0afd45eafb 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.842 2009/05/06 18:57:10 shane Exp $
+** $Id: vdbe.c,v 1.842.2.1 2009/05/18 16:14:25 drh Exp $
 */
 #include "sqliteInt.h"
 #include "vdbeInt.h"
@@ -676,6 +676,7 @@ int sqlite3VdbeExec(
       pOut = &p->aMem[pOp->p2];
       sqlite3VdbeMemReleaseExternal(pOut);
       pOut->flags = MEM_Null;
+      pOut->n = 0;
     }else
  
     /* Do common setup for opcodes marked with one of the following
diff --git a/test/pcache.test b/test/pcache.test
index 56e10fdea8..0ea4102a5a 100644
--- a/test/pcache.test
+++ b/test/pcache.test
@@ -11,7 +11,7 @@
 #
 # This file is focused on testing the pcache module.
 #
-# $Id: pcache.test,v 1.4 2009/03/05 14:59:40 danielk1977 Exp $
+# $Id: pcache.test,v 1.4.2.1 2009/05/18 16:14:26 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -145,4 +145,25 @@ do_test pcache-1.13 {
   pcache_stats
 } {current 15 max 15 min 10 recyclable 15}
 
+do_test pcache-1.14 {
+  hexio_write test.db 24 [hexio_render_int32 1000]
+  execsql { SELECT * FROM sqlite_master }
+  pcache_stats
+} {current 2 max 15 min 10 recyclable 2}
+
+do_test pcache-1.15 {
+  execsql { 
+    SELECT * FROM t1 ORDER BY a; SELECT * FROM t1;
+    SELECT * FROM t2 ORDER BY a; SELECT * FROM t2;
+    SELECT * FROM t3 ORDER BY a; SELECT * FROM t3;
+    SELECT * FROM t4 ORDER BY a; SELECT * FROM t4;
+    SELECT * FROM t5 ORDER BY a; SELECT * FROM t5;
+    SELECT * FROM t6 ORDER BY a; SELECT * FROM t6;
+    SELECT * FROM t7 ORDER BY a; SELECT * FROM t7;
+    SELECT * FROM t8 ORDER BY a; SELECT * FROM t8;
+    SELECT * FROM t9 ORDER BY a; SELECT * FROM t9;
+  }
+  pcache_stats
+} {current 14 max 15 min 10 recyclable 14}
+
 finish_test
diff --git a/test/tkt2942.test b/test/tkt2942.test
index a7b861c75c..66fc24814e 100644
--- a/test/tkt2942.test
+++ b/test/tkt2942.test
@@ -21,7 +21,7 @@
 # But with the addition of the group_concat() function, suddenly the
 # order does matter.
 #
-# $Id: tkt2942.test,v 1.1 2008/02/15 14:33:04 drh Exp $
+# $Id: tkt2942.test,v 1.1.4.1 2009/05/18 16:14:26 drh Exp $
 #
 
 set testdir [file dirname $argv0]
@@ -58,5 +58,27 @@ do_test tkt2942.4 {
   }
 } {4,3,1,2}
 
+do_test tkt2942-3841.1 {
+  execsql {
+    CREATE TABLE table2 (key TEXT, x TEXT);
+    CREATE TABLE list (key TEXT, value TEXT);
+  
+    INSERT INTO table2 VALUES ("a", "alist");
+    INSERT INTO table2 VALUES ("b", "blist");
+    INSERT INTO list VALUES ("a", 1);
+    INSERT INTO list VALUES ("a", 2);
+    INSERT INTO list VALUES ("a", 3);
+    INSERT INTO list VALUES ("b", 4);
+    INSERT INTO list VALUES ("b", 5);
+    INSERT INTO list VALUES ("b", 6);
+
+    SELECT
+      table2.x,
+      (SELECT group_concat(list.value)
+        FROM list
+        WHERE list.key = table2.key)
+    FROM table2;
+  }
+} {alist 1,2,3 blist 4,5,6}
 
 finish_test