+-- test that we can insert the result of a get_changes call into a
+-- logged relation. That's really not a good idea in practical terms,
+-- but provides a nice test.
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- slot works
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- create some changes
+CREATE TABLE somechange(id serial primary key);
+INSERT INTO somechange DEFAULT VALUES;
+CREATE TABLE changeresult AS
+ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+SELECT * FROM changeresult;
+ data
+------------------------------------------------
+ BEGIN
+ table public.somechange: INSERT: id[integer]:1
+ COMMIT
+(3 rows)
+
+INSERT INTO changeresult
+ SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+INSERT INTO changeresult
+ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+SELECT * FROM changeresult;
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.somechange: INSERT: id[integer]:1
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.somechange: INSERT: id[integer]:1'
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.somechange: INSERT: id[integer]:1'
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.somechange: INSERT: id[integer]:1'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+(20 rows)
+
+DROP TABLE changeresult;
+DROP TABLE somechange;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.somechange: INSERT: id[integer]:1'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''BEGIN'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''table public.somechange: INSERT: id[integer]:1'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''COMMIT'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+(14 rows)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ stop
+(1 row)
+