DBLINK_GET_NOTIFY(3) PostgreSQL 18.6 Documentation DBLINK_GET_NOTIFY(3) NAME dblink_get_notify - retrieve async notifications on a connection SYNOPSIS 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) DESCRIPTION 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(7) and NOTIFY(7). ARGUMENTS connname 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. EXAMPLES SELECT dblink_exec('LISTEN virtual'); dblink_exec ------------- LISTEN (1 row) SELECT * FROM dblink_get_notify(); notify_name | be_pid | extra -------------+--------+------- (0 rows) NOTIFY virtual; NOTIFY SELECT * FROM dblink_get_notify(); notify_name | be_pid | extra -------------+--------+------- virtual | 1229 | (1 row) PostgreSQL 18.6 2026 DBLINK_GET_NOTIFY(3)
NAME | SYNOPSIS | DESCRIPTION | ARGUMENTS | RETURN VALUE | EXAMPLES
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