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Fix for ticket #92: Correct the sqliteExprCompare() function so that is takes

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into account the iTable and iColumn fields of the Expr structure.  Otherwise,
"min(a)" and "min(b)" will compare equal to each other in views. (CVS 658)

FossilOrigin-Name: 85793a4f03250166c21007cab3525709592d0866
This commit is contained in:
drh
2002-07-02 13:05:04 +00:00
parent 1f66c57a9c
commit 2f2c01e51d
4 changed files with 23 additions and 10 deletions
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14
manifest
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@@ -1,5 +1,5 @@
C Fix\sfor\sticket\s91:\sModify\sthe\s"publish.sh"\sscript\sto\suse\sthe\snew\smingw\ncross-compiler\sinstalled\son\sthe\sdevelopment\splatform.\s(CVS\s657) C Fix\sfor\sticket\s#92:\sCorrect\sthe\ssqliteExprCompare()\sfunction\sso\sthat\sis\stakes\ninto\saccount\sthe\siTable\sand\siColumn\sfields\sof\sthe\sExpr\sstructure.\s\sOtherwise,\n"min(a)"\sand\s"min(b)"\swill\scompare\sequal\sto\seach\sother\sin\sviews.\s(CVS\s658)
D 2002-07-02T11:55:33 D 2002-07-02T13:05:05
F Makefile.in 6291a33b87d2a395aafd7646ee1ed562c6f2c28c F Makefile.in 6291a33b87d2a395aafd7646ee1ed562c6f2c28c
F Makefile.template 4e11752e0b5c7a043ca50af4296ec562857ba495 F Makefile.template 4e11752e0b5c7a043ca50af4296ec562857ba495
F README a4c0ba11354ef6ba0776b400d057c59da47a4cc0 F README a4c0ba11354ef6ba0776b400d057c59da47a4cc0
@@ -23,7 +23,7 @@ F src/btree.h 8abeabfe6e0b1a990b64fa457592a6482f6674f3
F src/build.c 0834185cbe316dda5173de50886ed804b82e3ba6 F src/build.c 0834185cbe316dda5173de50886ed804b82e3ba6
F src/delete.c 44c45460b1e03033756e35adc6d569ffbf30b725 F src/delete.c 44c45460b1e03033756e35adc6d569ffbf30b725
F src/encode.c 346b12b46148506c32038524b95c4631ab46d760 F src/encode.c 346b12b46148506c32038524b95c4631ab46d760
F src/expr.c ecd8267f70f4099b760c3862527a52cdfb768612 F src/expr.c 4b25ee5e65f351d40dea8575b998605762556d76
F src/func.c 5eae8227a8b0d276a64d51a3880a6e86f238fedf F src/func.c 5eae8227a8b0d276a64d51a3880a6e86f238fedf
F src/hash.c 6a6236b89c8c060c65dabd300a1c8ce7c10edb72 F src/hash.c 6a6236b89c8c060c65dabd300a1c8ce7c10edb72
F src/hash.h cd0433998bc1a3759d244e1637fe5a3c13b53bf8 F src/hash.h cd0433998bc1a3759d244e1637fe5a3c13b53bf8
@@ -107,7 +107,7 @@ F test/trigger3.test 7dfe798d7e72c13720394685fe353112e3f31adf
F test/unique.test 572aa791327c1e8d797932263e9d67f176cfdb44 F test/unique.test 572aa791327c1e8d797932263e9d67f176cfdb44
F test/update.test a0aa0bf83e6fad8407d0e4ad25ebb09b513f5bf4 F test/update.test a0aa0bf83e6fad8407d0e4ad25ebb09b513f5bf4
F test/vacuum.test 059871b312eb910bbe49dafde1d01490cc2c6bbe F test/vacuum.test 059871b312eb910bbe49dafde1d01490cc2c6bbe
F test/view.test d3f178e9ea170c49b4049469f3d5a8eca97dd875 F test/view.test 28700c1f9a10121242eaad77622f603cf59a548b
F test/where.test 1f87bec674bf85d74ac1cc5b2cd3d89be1e87b1d F test/where.test 1f87bec674bf85d74ac1cc5b2cd3d89be1e87b1d
F tool/lemon.c 459cb2bb3738a1ad5cb0ad8b805587a88a885d95 F tool/lemon.c 459cb2bb3738a1ad5cb0ad8b805587a88a885d95
F tool/lempar.c 73a991cc3017fb34804250fa901488b5147b3717 F tool/lempar.c 73a991cc3017fb34804250fa901488b5147b3717
@@ -137,7 +137,7 @@ F www/speed.tcl da8afcc1d3ccc5696cfb388a68982bc3d9f7f00f
F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098 F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098
F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331 F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218 F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
P f7159fde6b8692f91fa8a3c928dc219d0f3d8884 P 3cac283de4939538f09cd11e2cbdc84e9a9602f2
R 3d0d0f4fa9a98d753eaa2c7acc814e2d R dcd0974614e55fffecaf44a18cd6cd53
U drh U drh
Z 549a099bb6b0ce21b34627ac400d3d9b Z d34a13be1a939e0f9ee685ea0fba9ad6

2
manifest.uuid
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@@ -1 +1 @@
3cac283de4939538f09cd11e2cbdc84e9a9602f2 85793a4f03250166c21007cab3525709592d0866

3
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and ** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite. ** for generating VDBE code that evaluates expressions in SQLite.
** **
** $Id: expr.c,v 1.76 2002/06/29 02:20:08 drh Exp $ ** $Id: expr.c,v 1.77 2002/07/02 13:05:05 drh Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include <ctype.h> #include <ctype.h>
@@ -1391,6 +1391,7 @@ int sqliteExprCompare(Expr *pA, Expr *pB){
return 0; return 0;
} }
if( pA->pSelect || pB->pSelect ) return 0; if( pA->pSelect || pB->pSelect ) return 0;
if( pA->iTable!=pB->iTable || pA->iColumn!=pB->iColumn ) return 0;
if( pA->token.z ){ if( pA->token.z ){
if( pB->token.z==0 ) return 0; if( pB->token.z==0 ) return 0;
if( pB->token.n!=pA->token.n ) return 0; if( pB->token.n!=pA->token.n ) return 0;

14
test/view.test
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@@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The # This file implements regression tests for SQLite library. The
# focus of this file is testing VIEW statements. # focus of this file is testing VIEW statements.
# #
# $Id: view.test,v 1.6 2002/06/28 12:18:48 drh Exp $ # $Id: view.test,v 1.7 2002/07/02 13:05:05 drh Exp $
set testdir [file dirname $argv0] set testdir [file dirname $argv0]
source $testdir/tester.tcl source $testdir/tester.tcl
@@ -202,4 +202,16 @@ do_test view-5.2 {
} }
} {1 22 4 55} } {1 22 4 55}
do_test view-6.1 {
execsql {
SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2;
}
} {7 8 9 10 27}
do_test view-6.2 {
execsql {
SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2;
}
} {11 12 13 14 39}
finish_test finish_test