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Small performance increase and size reduction in the implementation of the

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LIKE and GLOB operators.

FossilOrigin-Name: f97626f921dafe596b615a168ef31987f4a1c0b52956443e1a5c1148b49cab74
This commit is contained in:
drh
2019-04-30 11:54:36 +00:00
parent b70b0df8eb
commit cf83323936
3 changed files with 9 additions and 11 deletions
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6
src/func.c
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@@ -843,8 +843,6 @@ static void likeFunc(
return;
}
#endif
zB = sqlite3_value_text(argv[0]);
zA = sqlite3_value_text(argv[1]);
/* Limit the length of the LIKE or GLOB pattern to avoid problems
** of deep recursion and N*N behavior in patternCompare().
@@ -856,8 +854,6 @@ static void likeFunc(
sqlite3_result_error(context, "LIKE or GLOB pattern too complex", -1);
return;
}
assert( zB==sqlite3_value_text(argv[0]) ); /* Encoding did not change */
if( argc==3 ){
/* The escape character string must consist of a single UTF-8 character.
** Otherwise, return an error.
@@ -873,6 +869,8 @@ static void likeFunc(
}else{
escape = pInfo->matchSet;
}
zB = sqlite3_value_text(argv[0]);
zA = sqlite3_value_text(argv[1]);
if( zA && zB ){
#ifdef SQLITE_TEST
sqlite3_like_count++;