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authordrh <drh@noemail.net>2020-01-08 20:37:45 +0000
committerdrh <drh@noemail.net>2020-01-08 20:37:45 +0000
commit2eeca2046eae31d913e7bae79893e343c17bd624 (patch)
tree2a96ccd42c48c51fa961ebe065f7abe7a51b119c /src/callback.c
parent0dfa5255bc012a1991809e23ad2ac1a4089e1261 (diff)
downloadsqlite-2eeca2046eae31d913e7bae79893e343c17bd624.tar.gz
sqlite-2eeca2046eae31d913e7bae79893e343c17bd624.zip
Performance improvements and test cases added. Allow "PRAGMA trusted_schema=ON"
FossilOrigin-Name: 30882ca80f6c51f6bb7b2692c1ac3f19a7c61a23aa8730be79aec0ae3ef08d54
Diffstat (limited to 'src/callback.c')
-rw-r--r--src/callback.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/callback.c b/src/callback.c
index a360e46ee..3d991901d 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -288,12 +288,13 @@ static int matchQuality(
u8 enc /* Desired text encoding */
){
int match;
-
- /* nArg of -2 is a special case */
- if( nArg==(-2) ) return (p->xSFunc==0) ? 0 : FUNC_PERFECT_MATCH;
+ assert( p->nArg>=-1 );
/* Wrong number of arguments means "no match" */
- if( p->nArg!=nArg && p->nArg>=0 ) return 0;
+ if( p->nArg!=nArg ){
+ if( nArg==(-2) ) return (p->xSFunc==0) ? 0 : FUNC_PERFECT_MATCH;
+ if( p->nArg>=0 ) return 0;
+ }
/* Give a better score to a function with a specific number of arguments
** than to function that accepts any number of arguments. */