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path: root/src/backend/utils/adt/varlena.c
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Diffstat (limited to 'src/backend/utils/adt/varlena.c')
-rw-r--r--src/backend/utils/adt/varlena.c42
1 files changed, 16 insertions, 26 deletions
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
index 56349e7e2aa..4aa344896f9 100644
--- a/src/backend/utils/adt/varlena.c
+++ b/src/backend/utils/adt/varlena.c
@@ -3820,7 +3820,6 @@ concat_internal(const char *sepstr, int argidx,
*/
if (get_fn_expr_variadic(fcinfo->flinfo))
{
- Oid arr_typid;
ArrayType *arr;
/* Should have just the one argument */
@@ -3831,20 +3830,16 @@ concat_internal(const char *sepstr, int argidx,
return NULL;
/*
- * Non-null argument had better be an array. The parser doesn't
- * enforce this for VARIADIC ANY functions (maybe it should?), so that
- * check uses ereport not just elog.
+ * Non-null argument had better be an array
+ *
+ * Correct values are ensured by parser check, but this function
+ * can be called directly, bypassing the parser, so we should do
+ * some minimal check too - this form of call requires correctly set
+ * expr argtype in flinfo.
*/
- arr_typid = get_fn_expr_argtype(fcinfo->flinfo, argidx);
- if (!OidIsValid(arr_typid))
- elog(ERROR, "could not determine data type of concat() input");
-
- if (!OidIsValid(get_element_type(arr_typid)))
- ereport(ERROR,
- (errcode(ERRCODE_DATATYPE_MISMATCH),
- errmsg("VARIADIC argument must be an array")));
+ Assert(OidIsValid(get_fn_expr_argtype(fcinfo->flinfo, argidx)));
+ Assert(OidIsValid(get_element_type(get_fn_expr_argtype(fcinfo->flinfo, argidx))));
- /* OK, safe to fetch the array value */
arr = PG_GETARG_ARRAYTYPE_P(argidx);
/*
@@ -4049,7 +4044,6 @@ text_format(PG_FUNCTION_ARGS)
/* If argument is marked VARIADIC, expand array into elements */
if (get_fn_expr_variadic(fcinfo->flinfo))
{
- Oid arr_typid;
ArrayType *arr;
int16 elmlen;
bool elmbyval;
@@ -4065,20 +4059,16 @@ text_format(PG_FUNCTION_ARGS)
else
{
/*
- * Non-null argument had better be an array. The parser doesn't
- * enforce this for VARIADIC ANY functions (maybe it should?), so
- * that check uses ereport not just elog.
+ * Non-null argument had better be an array
+ *
+ * Correct values are ensured by parser check, but this function
+ * can be called directly, bypassing the parser, so we should do
+ * some minimal check too - this form of call requires correctly set
+ * expr argtype in flinfo.
*/
- arr_typid = get_fn_expr_argtype(fcinfo->flinfo, 1);
- if (!OidIsValid(arr_typid))
- elog(ERROR, "could not determine data type of format() input");
-
- if (!OidIsValid(get_element_type(arr_typid)))
- ereport(ERROR,
- (errcode(ERRCODE_DATATYPE_MISMATCH),
- errmsg("VARIADIC argument must be an array")));
+ Assert(OidIsValid(get_fn_expr_argtype(fcinfo->flinfo, 1)));
+ Assert(OidIsValid(get_element_type(get_fn_expr_argtype(fcinfo->flinfo, 1))));
- /* OK, safe to fetch the array value */
arr = PG_GETARG_ARRAYTYPE_P(1);
/* Get info about array element type */