Convert the reg* input functions to report (most) errors softly.

See the commit 858e776c84f48841e7e16fba7b690b76e54f3675 (Convert the reg* input
functions to report (most) errors softly.) in PostgreSQL 16.

The function qualified_relnames_to_rangevars is used in the functions
create_hash_partitions_internal and create_range_partitions_internal. It looks
like these functions should not skip partition names (e.g. in the functions
create_hash_partitions and create_range_partitions respectively)..

Author: Marina Polyakova

src/include/compat/pg_compat.h

@@ -1084,6 +1084,17 @@ extern AttrNumber *convert_tuples_by_name_map(TupleDesc indesc,
 	expression_tree_mutator((node), (mutator), (context))
 #endif
 
+/*
+ * stringToQualifiedNameList
+ */
+#if PG_VERSION_NUM >= 160000
+#define stringToQualifiedNameListCompat(string) \
+	stringToQualifiedNameList((string), NULL)
+#else
+#define stringToQualifiedNameListCompat(string) \
+	stringToQualifiedNameList((string))
+#endif
+
 /*
  * -------------
  *  Common code

src/utils.c

@@ -518,7 +518,7 @@ qualified_relnames_to_rangevars(char **relnames, size_t nrelnames)
 		rangevars = palloc(sizeof(RangeVar *) * nrelnames);
 		for (i = 0; i < nrelnames; i++)
 		{
-			List *nl = stringToQualifiedNameList(relnames[i]);
+			List *nl = stringToQualifiedNameListCompat(relnames[i]);
 
 			rangevars[i] = makeRangeVarFromNameList(nl);
 		}