1DBLINK_GET_NOTIFY(3)     PostgreSQL 14.3 Documentation    DBLINK_GET_NOTIFY(3)
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NAME

6       dblink_get_notify - retrieve async notifications on a connection
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SYNOPSIS

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

13       dblink_get_notify retrieves notifications on either the unnamed
14       connection, or on a named connection if specified. To receive
15       notifications via dblink, LISTEN must first be issued, using
16       dblink_exec. For details see LISTEN(7) and NOTIFY(7).
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ARGUMENTS

19       connname
20           The name of a named connection to get notifications on.
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RETURN VALUE

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

27           SELECT dblink_exec('LISTEN virtual');
28            dblink_exec
29           -------------
30            LISTEN
31           (1 row)
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33           SELECT * FROM dblink_get_notify();
34            notify_name | be_pid | extra
35           -------------+--------+-------
36           (0 rows)
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38           NOTIFY virtual;
39           NOTIFY
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41           SELECT * FROM dblink_get_notify();
42            notify_name | be_pid | extra
43           -------------+--------+-------
44            virtual     |   1229 |
45           (1 row)
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49PostgreSQL 14.3                      2022                 DBLINK_GET_NOTIFY(3)
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