This page in other versions: 9.0 / 9.1 / 9.2 / 9.3 / 9.4  |  Development versions: devel / 9.5



dblink_get_notify -- retrieve async notifications on a connection


dblink_get_notify() returns setof (notify_name text, be_pid int, extra text)
dblink_get_notify(text connname) returns setof (notify_name text, be_pid int, extra text)


dblink_get_notify retrieves notifications on either the unnamed connection, or on a named connection if specified. To receive notifications via dblink, LISTEN must first be issued, using dblink_exec. For details see LISTEN and NOTIFY.



The name of a named connection to get notifications on.

Return Value

Returns setof (notify_name text, be_pid int, extra text), or an empty set if none.


SELECT dblink_exec('LISTEN virtual');
(1 row)

SELECT * FROM dblink_get_notify();
 notify_name | be_pid | extra
(0 rows)

NOTIFY virtual;

SELECT * FROM dblink_get_notify();
 notify_name | be_pid | extra
 virtual     |   1229 |
(1 row)

Add Comment

Please use this form to add your own comments regarding your experience with particular features of PostgreSQL, clarifications of the documentation, or hints for other users. Please note, this is not a support forum, and your IP address will be logged. If you have a question or need help, please see the faq, try a mailing list, or join us on IRC. Note that submissions containing URLs or other keywords commonly found in 'spam' comments may be silently discarded. Please contact the webmaster if you think this is happening to you in error.

Proceed to the comment form.

Privacy Policy | About PostgreSQL
Copyright © 1996-2015 The PostgreSQL Global Development Group