43 lines
1.0 KiB
Plaintext
43 lines
1.0 KiB
Plaintext
--
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-- ASYNC
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--
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--Should work. Send a valid message via a valid channel name
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SELECT pg_notify('notify_async1','sample message1');
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pg_notify
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-----------
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(1 row)
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SELECT pg_notify('notify_async1','');
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pg_notify
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-----------
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(1 row)
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SELECT pg_notify('notify_async1',NULL);
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pg_notify
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-----------
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(1 row)
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-- Should fail. Send a valid message via an invalid channel name
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SELECT pg_notify('','sample message1');
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ERROR: channel name cannot be empty
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SELECT pg_notify(NULL,'sample message1');
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ERROR: channel name cannot be empty
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SELECT pg_notify('notify_async_channel_name_too_long______________________________','sample_message1');
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ERROR: channel name too long
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--Should work. Valid NOTIFY/LISTEN/UNLISTEN commands
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NOTIFY notify_async2;
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LISTEN notify_async2;
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UNLISTEN notify_async2;
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UNLISTEN *;
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-- Should return zero while there are no pending notifications.
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-- src/test/isolation/specs/async-notify.spec tests for actual usage.
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SELECT pg_notification_queue_usage();
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pg_notification_queue_usage
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-----------------------------
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0
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(1 row)
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