1 files changed, 78 insertions, 0 deletions
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql
index 31b6c685b55..d9bed565c81 100644
--- a/contrib/postgres_fdw/sql/postgres_fdw.sql
+++ b/contrib/postgres_fdw/sql/postgres_fdw.sql
@@ -2281,6 +2281,84 @@ EXPLAIN (verbose, costs off)
 DELETE FROM rem1;                 -- can't be pushed down
 DROP TRIGGER trig_row_after_delete ON rem1;
 
+
+-- We are allowed to create transition-table triggers on both kinds of
+-- inheritance even if they contain foreign tables as children, but currently
+-- collecting transition tuples from such foreign tables is not supported.
+
+CREATE TABLE local_tbl (a text, b int);
+CREATE FOREIGN TABLE foreign_tbl (a text, b int)
+  SERVER loopback OPTIONS (table_name 'local_tbl');
+
+INSERT INTO foreign_tbl VALUES ('AAA', 42);
+
+-- Test case for partition hierarchy
+CREATE TABLE parent_tbl (a text, b int) PARTITION BY LIST (a);
+ALTER TABLE parent_tbl ATTACH PARTITION foreign_tbl FOR VALUES IN ('AAA');
+
+CREATE TRIGGER parent_tbl_insert_trig
+  AFTER INSERT ON parent_tbl REFERENCING NEW TABLE AS new_table
+  FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
+CREATE TRIGGER parent_tbl_update_trig
+  AFTER UPDATE ON parent_tbl REFERENCING OLD TABLE AS old_table NEW TABLE AS new_table
+  FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
+CREATE TRIGGER parent_tbl_delete_trig
+  AFTER DELETE ON parent_tbl REFERENCING OLD TABLE AS old_table
+  FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
+
+INSERT INTO parent_tbl VALUES ('AAA', 42);
+
+COPY parent_tbl (a, b) FROM stdin;
+AAA	42
+\.
+
+ALTER SERVER loopback OPTIONS (ADD batch_size '10');
+
+INSERT INTO parent_tbl VALUES ('AAA', 42);
+
+COPY parent_tbl (a, b) FROM stdin;
+AAA	42
+\.
+
+ALTER SERVER loopback OPTIONS (DROP batch_size);
+
+EXPLAIN (VERBOSE, COSTS OFF)
+UPDATE parent_tbl SET b = b + 1;
+UPDATE parent_tbl SET b = b + 1;
+
+EXPLAIN (VERBOSE, COSTS OFF)
+DELETE FROM parent_tbl;
+DELETE FROM parent_tbl;
+
+ALTER TABLE parent_tbl DETACH PARTITION foreign_tbl;
+DROP TABLE parent_tbl;
+
+-- Test case for non-partition hierarchy
+CREATE TABLE parent_tbl (a text, b int);
+ALTER FOREIGN TABLE foreign_tbl INHERIT parent_tbl;
+
+CREATE TRIGGER parent_tbl_update_trig
+  AFTER UPDATE ON parent_tbl REFERENCING OLD TABLE AS old_table NEW TABLE AS new_table
+  FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
+CREATE TRIGGER parent_tbl_delete_trig
+  AFTER DELETE ON parent_tbl REFERENCING OLD TABLE AS old_table
+  FOR EACH STATEMENT EXECUTE PROCEDURE trigger_func();
+
+EXPLAIN (VERBOSE, COSTS OFF)
+UPDATE parent_tbl SET b = b + 1;
+UPDATE parent_tbl SET b = b + 1;
+
+EXPLAIN (VERBOSE, COSTS OFF)
+DELETE FROM parent_tbl;
+DELETE FROM parent_tbl;
+
+ALTER FOREIGN TABLE foreign_tbl NO INHERIT parent_tbl;
+DROP TABLE parent_tbl;
+
+-- Cleanup
+DROP FOREIGN TABLE foreign_tbl;
+DROP TABLE local_tbl;
+
 -- ===================================================================
 -- test inheritance features
 -- ===================================================================