Github user huor commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1384#discussion_r208433943
--- Diff: src/backend/catalog/heap.c ---
@@ -2543,8 +2551,55 @@ heap_drop_with_catalog(Oid relid)
/*
* External table? If so, delete the pg_exttable tuple.
*/
+/* if (is_external_rel)
--- End diff --
Remove the line commented here---
