From: drh <drh@noemail.net>
Date: Sat, 10 Sep 2005 15:35:06 +0000 (+0000)
Subject: Avoid a memory leak and/or assertion failure when parsing a table
X-Git-Tag: version-3.6.10~3475
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d891967052014d91ab056714390bd39428c44acd;p=thirdparty%2Fsqlite.git

Avoid a memory leak and/or assertion failure when parsing a table
declaration that contains a duplicate column name.
Ticket #1418. (CVS 2684)

FossilOrigin-Name: f43427742b1c086f2621c900f4ede1a34a8b44ee
---

diff --git a/manifest b/manifest
index 6f5ee78d0b..22502d5733 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Use\sof\sthe\sCROSS\skeyword\sin\sa\sjoin\sprevents\stable\sreordering.\s\sTicket\s#1414.\s(CVS\s2683)
-D 2005-09-10T15:28:09
+C Avoid\sa\smemory\sleak\sand/or\sassertion\sfailure\swhen\sparsing\sa\stable\r\ndeclaration\sthat\scontains\sa\sduplicate\scolumn\sname.\r\nTicket\s#1418.\s(CVS\s2684)
+D 2005-09-10T15:35:07
 F Makefile.in 12784cdce5ffc8dfb707300c34e4f1eb3b8a14f1
 F Makefile.linux-gcc 06be33b2a9ad4f005a5f42b22c4a19dab3cbb5c7
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -34,7 +34,7 @@ F src/attach.c 4b21689700a72ae281fa85dbaff06b2a62bd49ee
 F src/auth.c 31e2304bef67f44d635655f44234387ea7d21454
 F src/btree.c a1ee183067f20eb5ba33ca45ed47acbc7214fe44
 F src/btree.h 1ed561263ca0e335bc3e81d761c9d5ff8c22f61e
-F src/build.c 86181cbd89e67e99d0f235428d3b9640ccf17101
+F src/build.c db063dc322fb18227833c7c41152aac314ef347c
 F src/callback.c 9a1162c8f9dae9fad6d548339669aacb5f6cf76b
 F src/complete.c 4de937dfdd4c79a501772ab2035b26082f337a79
 F src/date.c 7444b0900a28da77e57e3337a636873cff0ae940
@@ -208,7 +208,7 @@ F test/sort.test 0c33a8ae1c238377ad197387c3872175f40d3843
 F test/subquery.test e6de53332c0301b3cfa34edc3f3cd5fa1e859efd
 F test/subselect.test 2d13fb7f450db3595adcdd24079a0dd1d2d6abc2
 F test/sync.test d769caaec48456119316775e35e0fdee2fa852d7
-F test/table.test d0e05ede3f6e5a8b79f8661ddcc4618cf7e69f8a
+F test/table.test ec0e6c2186bb8f6824f470caa118524dfd8fe057
 F test/tableapi.test 6a66d58b37d46dc0f2b3c7d4bd2617d209399bd1
 F test/tclsqlite.test 2da3e4b3a79b13c1511c9d0cd995e08f8362e782
 F test/temptable.test 7927261befdbc7b0a7ffebb85ecc70a74fa7b15b
@@ -306,7 +306,7 @@ F www/tclsqlite.tcl 3df553505b6efcad08f91e9b975deb2e6c9bb955
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl a99cf5f6d8bd4d5537584a2b342f0fb9fa601d8b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 0288fa5d25886f6fbef0be782f12285d62bebd68
-R f8eceac70392349128d8b83ed9d12654
+P 415b8b24629aa12756d8285c094b5f85d8a8e532
+R 235cc9d948e051600520eade7dbee36c
 U drh
-Z 461ac5bc1124c76e7cb4172bfe8587a8
+Z be7b5a2752d3ffcf1cf1e2330b39e495
diff --git a/manifest.uuid b/manifest.uuid
index 063d7e351f..ae88ac8ec8 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-415b8b24629aa12756d8285c094b5f85d8a8e532
\ No newline at end of file
+f43427742b1c086f2621c900f4ede1a34a8b44ee
\ No newline at end of file
diff --git a/src/build.c b/src/build.c
index 6d94c494f4..5c837c7ea3 100644
--- a/src/build.c
+++ b/src/build.c
@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.347 2005/09/08 14:17:20 drh Exp $
+** $Id: build.c,v 1.348 2005/09/10 15:35:07 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -940,7 +940,7 @@ void sqlite3AddColumnType(Parse *pParse, Token *pType){
   i = p->nCol-1;
   if( i<0 ) return;
   pCol = &p->aCol[i];
-  assert( pCol->zType==0 );
+  sqliteFree(pCol->zType);
   pCol->zType = sqlite3NameFromToken(pType);
   pCol->affinity = sqlite3AffinityType(pType);
 }
diff --git a/test/table.test b/test/table.test
index 3fe33aeb73..1817105a62 100644
--- a/test/table.test
+++ b/test/table.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the CREATE TABLE statement.
 #
-# $Id: table.test,v 1.40 2005/08/13 00:56:28 drh Exp $
+# $Id: table.test,v 1.41 2005/09/10 15:35:07 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -388,6 +388,11 @@ do_test table-9.1 {
     CREATE TABLE t6(a,b,a);
   }
 } {1 {duplicate column name: a}}
+do_test table-9.2 {
+  catchsql {
+    CREATE TABLE t6(a varchar(100), b blob, a integer);
+  }
+} {1 {duplicate column name: a}}
 
 # Check the foreign key syntax.
 #