From: drh <drh@noemail.net>
Date: Tue, 2 Apr 2002 13:26:10 +0000 (+0000)
Subject: Fix for bug #8: Correctly handle terms of a WHERE clause in a join where the
X-Git-Tag: version-3.6.10~5560
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3f6b54896175e764d2732156640d7b27701092fa;p=thirdparty%2Fsqlite.git

Fix for bug #8: Correctly handle terms of a WHERE clause in a join where the
term does not use a comparison operator. (CVS 515)

FossilOrigin-Name: abb12259a09418eb6e3cf573ea718ac58c91ac7b
---

diff --git a/VERSION b/VERSION
index 59aa62c1fa..7bf4b6a8ae 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.4.5
+2.4.6
diff --git a/manifest b/manifest
index a1f5fa24fa..ad9d2e2480 100644
--- a/manifest
+++ b/manifest
@@ -1,9 +1,9 @@
-C Version\s2.4.5\s(CVS\s514)
-D 2002-04-02T02:00:02
+C Fix\sfor\sbug\s#8:\sCorrectly\shandle\sterms\sof\sa\sWHERE\sclause\sin\sa\sjoin\swhere\sthe\nterm\sdoes\snot\suse\sa\scomparison\soperator.\s(CVS\s515)
+D 2002-04-02T13:26:10
 F Makefile.in 50f1b3351df109b5774771350d8c1b8d3640130d
 F Makefile.template 89e373b2dad0321df00400fa968dc14b61a03296
 F README a4c0ba11354ef6ba0776b400d057c59da47a4cc0
-F VERSION 15676b83c5cca5728ec7721e28925685d89e118d
+F VERSION ed0299de5b86deca846fdb0f8b99aaae85f27f47
 F aclocal.m4 11faa843caa38fd451bc6aeb43e248d1723a269d
 F config.guess f38b1e93d1e0fa6f5a6913e9e7b12774b9232588
 F config.log 6a73d03433669b10a3f0c221198c3f26b9413914
@@ -54,7 +54,7 @@ F src/update.c 7dd714a6a7fa47f849ebb36b6d915974d6c6accb
 F src/util.c b34cd91387bbfdc79319ea451a7d120cef478120
 F src/vdbe.c 3cebe9f77cac311a3c537587258946d04a09c58f
 F src/vdbe.h f9be1f6e9a336c3ff4d14ea7489ee976e07460cc
-F src/where.c e6292ab9d41aa55005bcca75e6d5e69139fad61b
+F src/where.c 9d36f6c9fea4af71501770c13089f824cb9b033c
 F test/all.test 6aa106eee4d7127afa5cee97c51a783a79694ead
 F test/bigrow.test 8ab252dba108f12ad64e337b0f2ff31a807ac578
 F test/btree.test bf326f546a666617367a7033fa2c07451bd4f8e1
@@ -85,7 +85,7 @@ F test/quick.test 6f023c7a73fc413e6d65b7a1879c79764038dc05
 F test/quote.test 286db944717afa9a9bf829dd85e59185c65d5435
 F test/rowid.test 4c55943300cddf73dd0f88d40a268cab14c83274
 F test/select1.test 572d53f7b28c35a1efdce207f7579523358ba637
-F test/select2.test 7b59fb17647eda8c7e21d790d4045e30699982af
+F test/select2.test aceea74fd895b9d007512f72499db589735bd8e4
 F test/select3.test 9469c332250a75a0ef1771fb5da62dc04ec77f18
 F test/select4.test 29a2ffb187f3d8b6ca42a0a6b619e9cabe12e228
 F test/select5.test c2a6c4a003316ee42cbbd689eebef8fdce0db2ac
@@ -116,7 +116,7 @@ F www/arch.fig d5f9752a4dbf242e9cfffffd3f5762b6c63b3bcf
 F www/arch.png 82ef36db1143828a7abc88b1e308a5f55d4336f4
 F www/arch.tcl 72a0c80e9054cc7025a50928d28d9c75c02c2b8b
 F www/c_interface.tcl 567cda531aac9d68a61ef02e26c6b202bd856db2
-F www/changes.tcl 7ba1054ca1c3119f305f7bbaa6a69bbff2f52410
+F www/changes.tcl 563071eacf1c0fc03521bf874438274d83445c78
 F www/conflict.tcl 81dd21f9a679e60aae049e9dd8ab53d59570cda2
 F www/crosscompile.tcl 3622ebbe518927a3854a12de51344673eb2dd060
 F www/download.tcl 29aa6679ca29621d10613f60ebbbda18f4b91c49
@@ -131,7 +131,7 @@ F www/speed.tcl da8afcc1d3ccc5696cfb388a68982bc3d9f7f00f
 F www/sqlite.tcl 8b5884354cb615049aed83039f8dfe1552a44279
 F www/tclsqlite.tcl 829b393d1ab187fd7a5e978631b3429318885c49
 F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
-P bdd8ce584e16fe288a7e8386f897cb36a60e8431
-R fc0491616bb288b6a30cabaf5c86972c
+P b18a7b777cf22249c81b74baafa1a74ad5a1836b
+R 1e8462f1dea7fa55f9cf92098e6e2f92
 U drh
-Z 00cce635d4791c94263f5a9b1d451c13
+Z eea47fa742ba88e928e7aaf7fc434491
diff --git a/manifest.uuid b/manifest.uuid
index f3ef6e5f2d..ea897dc2c0 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-b18a7b777cf22249c81b74baafa1a74ad5a1836b
\ No newline at end of file
+abb12259a09418eb6e3cf573ea718ac58c91ac7b
\ No newline at end of file
diff --git a/src/where.c b/src/where.c
index f1736c9c7b..0d685137a6 100644
--- a/src/where.c
+++ b/src/where.c
@@ -13,7 +13,7 @@
 ** the WHERE clause of SQL statements.  Also found here are subroutines
 ** to generate VDBE code to evaluate expressions.
 **
-** $Id: where.c,v 1.39 2002/04/02 01:58:58 drh Exp $
+** $Id: where.c,v 1.40 2002/04/02 13:26:11 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -32,6 +32,7 @@ struct ExprInfo {
                           ** p->pRight is not the column of any table */
   unsigned prereqLeft;    /* Tables referenced by p->pLeft */
   unsigned prereqRight;   /* Tables referenced by p->pRight */
+  unsigned prereqAll;     /* Tables referenced by this expression in any way */
 };
 
 /*
@@ -130,6 +131,7 @@ static void exprAnalyze(int base, ExprInfo *pInfo){
   Expr *pExpr = pInfo->p;
   pInfo->prereqLeft = exprTableUsage(base, pExpr->pLeft);
   pInfo->prereqRight = exprTableUsage(base, pExpr->pRight);
+  pInfo->prereqAll = exprTableUsage(base, pExpr);
   pInfo->indexable = 0;
   pInfo->idxLeft = -1;
   pInfo->idxRight = -1;
@@ -751,8 +753,7 @@ WhereInfo *sqliteWhereBegin(
     */
     for(j=0; j<nExpr; j++){
       if( aExpr[j].p==0 ) continue;
-      if( (aExpr[j].prereqRight & loopMask)!=aExpr[j].prereqRight ) continue;
-      if( (aExpr[j].prereqLeft & loopMask)!=aExpr[j].prereqLeft ) continue;
+      if( (aExpr[j].prereqAll & loopMask)!=aExpr[j].prereqAll ) continue;
       if( haveKey ){
         haveKey = 0;
         sqliteVdbeAddOp(v, OP_MoveTo, base+idx, 0);
diff --git a/test/select2.test b/test/select2.test
index 593b7aadc5..d56b06db26 100644
--- a/test/select2.test
+++ b/test/select2.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the SELECT statement.
 #
-# $Id: select2.test,v 1.17 2002/04/02 01:58:58 drh Exp $
+# $Id: select2.test,v 1.18 2002/04/02 13:26:11 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -127,5 +127,36 @@ do_test select2-4.1 {
     SELECT * FROM aa, bb WHERE max(a,b)>2;
   }
 } {1 4 3 2 3 4}
+do_test select2-4.2 {
+  execsql {
+    INSERT INTO bb VALUES(0);
+    SELECT * FROM aa, bb WHERE b;
+  }
+} {1 2 1 4 3 2 3 4}
+do_test select2-4.3 {
+  execsql {
+    SELECT * FROM aa, bb WHERE NOT b;
+  }
+} {1 0 3 0}
+do_test select2-4.4 {
+  execsql {
+    SELECT * FROM aa, bb WHERE min(a,b);
+  }
+} {1 2 1 4 3 2 3 4}
+do_test select2-4.5 {
+  execsql {
+    SELECT * FROM aa, bb WHERE NOT min(a,b);
+  }
+} {1 0 3 0}
+do_test select2-4.6 {
+  execsql {
+    SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 1 END;
+  }
+} {1 2 3 4}
+do_test select2-4.7 {
+  execsql {
+    SELECT * FROM aa, bb WHERE CASE WHEN a=b-1 THEN 0 ELSE 1 END;
+  }
+} {1 4 1 0 3 2 3 0}
 
 finish_test
diff --git a/www/changes.tcl b/www/changes.tcl
index fbdd1f2ef5..9af1742f40 100644
--- a/www/changes.tcl
+++ b/www/changes.tcl
@@ -25,9 +25,14 @@ proc chng {date desc} {
   puts "<DD><P><UL>$desc</UL></P></DD>"
 }
 
+chng {2002 Apr 02 (2.4.6)} {
+<li>Bug fix: Correctly handle terms in the WHERE clause of a join that
+    do not contain a comparison operator.</li>
+}
+
 chng {2002 Apr 01 (2.4.5)} {
 <li>Bug fix: Correctly handle functions that appear in the WHERE clause
-    of a SELECT.</li>
+    of a join.</li>
 <li>When the PRAGMA vdbe_trace=ON is set, correctly print the P3 operand
     value when it is a pointer to a structure rather than a pointer to
     a string.</li>