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--
-- 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();
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