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Fix the PRAGMA case_sensitive_like command so that the LIKE function continues

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to be innocuous after the PRAGMA.
[forum:/forumpost/925dc9f67804c540|Forum post 925dc9f67804c540].

FossilOrigin-Name: 84c268c34cba7207a90dad2a8e972ce90c85304e91f4933c76963822ad1ae48b
This commit is contained in:
drh
2023-08-15 11:58:22 +00:00
parent f0c1ea9e86
commit 00eee07911
4 changed files with 38 additions and 13 deletions
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13
src/func.c
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@@ -2154,8 +2154,10 @@ void sqlite3RegisterPerConnectionBuiltinFunctions(sqlite3 *db){
** sensitive.
*/
void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive){
FuncDef *pDef;
struct compareInfo *pInfo;
int flags;
int nArg;
if( caseSensitive ){
pInfo = (struct compareInfo*)&likeInfoAlt;
flags = SQLITE_FUNC_LIKE | SQLITE_FUNC_CASE;
@@ -2163,10 +2165,13 @@ void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive){
pInfo = (struct compareInfo*)&likeInfoNorm;
flags = SQLITE_FUNC_LIKE;
}
sqlite3CreateFunc(db, "like", 2, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0);
sqlite3CreateFunc(db, "like", 3, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0);
sqlite3FindFunction(db, "like", 2, SQLITE_UTF8, 0)->funcFlags |= flags;
sqlite3FindFunction(db, "like", 3, SQLITE_UTF8, 0)->funcFlags |= flags;
for(nArg=2; nArg<=3; nArg++){
sqlite3CreateFunc(db, "like", nArg, SQLITE_UTF8, pInfo, likeFunc,
0, 0, 0, 0, 0);
pDef = sqlite3FindFunction(db, "like", nArg, SQLITE_UTF8, 0);
pDef->funcFlags |= flags;
pDef->funcFlags &= ~SQLITE_FUNC_UNSAFE;
}
}
/*