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Speed improvement on the LIKE command. (CVS 2110)

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FossilOrigin-Name: 85d56beb7494ce63e70ab1ffc3797c2ee4c36749
This commit is contained in:
drh
2004-11-18 13:49:25 +00:00
parent e854c5607b
commit 20fc0887f5
3 changed files with 10 additions and 10 deletions
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6
src/func.c
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@@ -16,7 +16,7 @@
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.88 2004/11/17 16:41:30 danielk1977 Exp $
** $Id: func.c,v 1.89 2004/11/18 13:49:26 drh Exp $
*/
#include <ctype.h>
#include <math.h>
@@ -372,7 +372,7 @@ static int patternCompare(
}
zPattern++;
}
if( c && sqlite3ReadUtf8(&zPattern[1])==esc ){
if( c && esc && sqlite3ReadUtf8(&zPattern[1])==esc ){
u8 const *zTemp = &zPattern[1];
sqliteNextChar(zTemp);
c = *zTemp;
@@ -433,7 +433,7 @@ static int patternCompare(
if( c2==0 || (seen ^ invert)==0 ) return 0;
sqliteNextChar(zString);
zPattern++;
}else if( !prevEscape && sqlite3ReadUtf8(zPattern)==esc){
}else if( esc && !prevEscape && sqlite3ReadUtf8(zPattern)==esc){
prevEscape = 1;
sqliteNextChar(zPattern);
}else{