2 files changed, 27 insertions, 1 deletions
diff --git a/contrib/test_decoding/sql/ddl.sql b/contrib/test_decoding/sql/ddl.sql
index ad928ad5726..b1f7bf693a8 100644
--- a/contrib/test_decoding/sql/ddl.sql
+++ b/contrib/test_decoding/sql/ddl.sql
@@ -108,11 +108,12 @@ DELETE FROM tr_pkey;
 SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 
 /*
- * check that disk spooling works
+ * check that disk spooling works (also for logical messages)
  */
 BEGIN;
 CREATE TABLE tr_etoomuch (id serial primary key, data int);
 INSERT INTO tr_etoomuch(data) SELECT g.i FROM generate_series(1, 10234) g(i);
+SELECT 'tx logical msg' FROM pg_logical_emit_message(true, 'test', 'tx logical msg');
 DELETE FROM tr_etoomuch WHERE id < 5000;
 UPDATE tr_etoomuch SET data = - data WHERE id > 5000;
 COMMIT;
diff --git a/contrib/test_decoding/sql/messages.sql b/contrib/test_decoding/sql/messages.sql
new file mode 100644
index 00000000000..d72191b0a9c
--- /dev/null
+++ b/contrib/test_decoding/sql/messages.sql
@@ -0,0 +1,25 @@
+-- predictability
+SET synchronous_commit = on;
+SET client_encoding = 'utf8';
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+
+SELECT 'msg1' FROM pg_logical_emit_message(true, 'test', 'msg1');
+SELECT 'msg2' FROM pg_logical_emit_message(false, 'test', 'msg2');
+
+BEGIN;
+SELECT 'msg3' FROM pg_logical_emit_message(true, 'test', 'msg3');
+SELECT 'msg4' FROM pg_logical_emit_message(false, 'test', 'msg4');
+ROLLBACK;
+
+BEGIN;
+SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', 'msg5');
+SELECT 'msg6' FROM pg_logical_emit_message(false, 'test', 'msg6');
+SELECT 'msg7' FROM pg_logical_emit_message(true, 'test', 'msg7');
+COMMIT;
+
+SELECT 'žluťoučký kůň' FROM pg_logical_emit_message(true, 'test', 'žluťoučký kůň');
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
+
+SELECT 'init' FROM pg_drop_replication_slot('regression_slot');