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Up until version 3.42.0, there was a bug in json_valid() such that it would

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return False (0) for a NULL input.  That bug is fixed in 3.42.0.  This
check-in adds a compile-time option -DSQLITE_LEGACY_JSON_VALID that restores
the old buggy behavior for applications that depend on it.

FossilOrigin-Name: 15c2eadbff8e732cca45d6c3771d1fcea5aab2127e87f2a611b41ccfef4d1a0d
This commit is contained in:
drh
2023-08-11 11:12:46 +00:00
parent 89e1caf294
commit 91c0092917
6 changed files with 30 additions and 17 deletions
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8
src/json.c
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@@ -3009,7 +3009,13 @@ static void jsonValidFunc(
){
JsonParse *p; /* The parse */
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
if( sqlite3_value_type(argv[0])==SQLITE_NULL ){
#ifdef SQLITE_LEGACY_JSON_VALID
/* Incorrect legacy behavior was to return FALSE for a NULL input */
sqlite3_result_int(ctx, 0);
#endif
return;
}
p = jsonParseCached(ctx, argv[0], 0, 0);
if( p==0 || p->oom ){
sqlite3_result_error_nomem(ctx);