diff options
Diffstat (limited to 'src/backend/parser/parse_func.c')
| -rw-r--r-- | src/backend/parser/parse_func.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/backend/parser/parse_func.c b/src/backend/parser/parse_func.c index 9d9efc2cc24..d9c6dc19018 100644 --- a/src/backend/parser/parse_func.c +++ b/src/backend/parser/parse_func.c @@ -1397,9 +1397,6 @@ func_get_detail(List *funcname, FuncCandidateList raw_candidates; FuncCandidateList best_candidate; - /* Passing NULL for argtypes is no longer allowed */ - Assert(argtypes); - /* initialize output arguments to silence compiler warnings */ *funcid = InvalidOid; *rettype = InvalidOid; @@ -1423,7 +1420,9 @@ func_get_detail(List *funcname, best_candidate != NULL; best_candidate = best_candidate->next) { - if (memcmp(argtypes, best_candidate->args, nargs * sizeof(Oid)) == 0) + /* if nargs==0, argtypes can be null; don't pass that to memcmp */ + if (nargs == 0 || + memcmp(argtypes, best_candidate->args, nargs * sizeof(Oid)) == 0) break; } |