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Add a couple of extra tests for the "WHERE ... OR" optimization. (CVS 6077)

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FossilOrigin-Name: 35c87585b81866e73a58adffe6af79ddcac57cf6
This commit is contained in:
danielk1977
2008-12-30 12:00:12 +00:00
parent 992347f2ed
commit 5f0ff5d527
5 changed files with 126 additions and 14 deletions
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5
src/where.c
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@@ -16,7 +16,7 @@
** so is applicable. Because this module is responsible for selecting
** indices, you might also think of this module as the "query optimizer".
**
** $Id: where.c,v 1.351 2008/12/30 09:45:46 danielk1977 Exp $
** $Id: where.c,v 1.352 2008/12/30 12:00:12 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -522,14 +522,11 @@ static u16 operatorMask(int op){
c = WO_IN;
}else if( op==TK_ISNULL ){
c = WO_ISNULL;
}else if( op==TK_OR ){
c = WO_OR;
}else{
assert( (WO_EQ<<(op-TK_EQ)) < 0x7fff );
c = (u16)(WO_EQ<<(op-TK_EQ));
}
assert( op!=TK_ISNULL || c==WO_ISNULL );
assert( op!=TK_OR || c==WO_OR );
assert( op!=TK_IN || c==WO_IN );
assert( op!=TK_EQ || c==WO_EQ );
assert( op!=TK_LT || c==WO_LT );