Adding upstream version 15.4.upstream/15.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/test/regress/sql/async.sql b/src/test/regress/sql/async.sql
new file mode 100644
index 0000000..40f6e01
--- /dev/null
+++ b/src/test/regress/sql/async.sql
@@ -0,0 +1,23 @@
+--
+-- ASYNC
+--
+
+--Should work. Send a valid message via a valid channel name
+SELECT pg_notify('notify_async1','sample message1');
+SELECT pg_notify('notify_async1','');
+SELECT pg_notify('notify_async1',NULL);
+
+-- Should fail. Send a valid message via an invalid channel name
+SELECT pg_notify('','sample message1');
+SELECT pg_notify(NULL,'sample message1');
+SELECT pg_notify('notify_async_channel_name_too_long______________________________','sample_message1');
+
+--Should work. Valid NOTIFY/LISTEN/UNLISTEN commands
+NOTIFY notify_async2;
+LISTEN notify_async2;
+UNLISTEN notify_async2;
+UNLISTEN *;
+
+-- Should return zero while there are no pending notifications.
+-- src/test/isolation/specs/async-notify.spec tests for actual usage.
+SELECT pg_notification_queue_usage();