FIX DETACH PARTITION WITH MISSING ALTER TABLE

src/backend/distributed/sql/udfs/drop_old_time_partitions/latest.sql

@@ -58,7 +58,7 @@ BEGIN
     FOR r IN EXECUTE older_partitions_query USING table_name, older_than
     LOOP
         RAISE NOTICE 'dropping % with start time % and end time % using DETACH PARTITION partition_name AND THEN DROP IT. ', r.partition, r.from_value, r.to_value;
-        EXECUTE format('DETACH PARTITION %I', r.partition);
+        EXECUTE format('ALTER TABLE %I.%I DETACH PARTITION %I',r.schema_name, r.table_name, r.partition);
         EXECUTE format('DROP TABLE %I.%I', r.schema_name, r.table_name);
     END LOOP;
 END;