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The case_sensitive_like pragma added.

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Test cases added for the LIKE optimization. (CVS 2592)

FossilOrigin-Name: 72ee21c05e618b6f46f5460f8c85779c72fe32d7
This commit is contained in:
drh
2005-08-14 01:20:37 +00:00
parent 3d94662a06
commit 55ef4d9758
11 changed files with 464 additions and 95 deletions
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21
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.97 2005/08/13 00:56:27 drh Exp $
** $Id: pragma.c,v 1.98 2005/08/14 01:20:39 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -603,14 +603,25 @@ void sqlite3Pragma(
#ifndef NDEBUG
if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
extern void sqlite3ParserTrace(FILE*, char *);
if( getBoolean(zRight) ){
sqlite3ParserTrace(stderr, "parser: ");
}else{
sqlite3ParserTrace(0, 0);
if( zRight ){
if( getBoolean(zRight) ){
sqlite3ParserTrace(stderr, "parser: ");
}else{
sqlite3ParserTrace(0, 0);
}
}
}else
#endif
/* Reinstall the LIKE and GLOB functions. The variant of LIKE
** used will be case sensitive or not depending on the RHS.
*/
if( sqlite3StrICmp(zLeft, "case_sensitive_like")==0 ){
if( zRight ){
sqlite3RegisterLikeFunctions(db, getBoolean(zRight));
}
}else
#ifndef SQLITE_OMIT_INTEGRITY_CHECK
if( sqlite3StrICmp(zLeft, "integrity_check")==0 ){
int i, j, addr;