UNLISTEN — stop listening for a notification
channel| * }
UNLISTEN is used to remove an existing registration for
UNLISTEN cancels any existing registration of the current PostgreSQL session as a listener on the notification channel named
channel. The special wildcard
* cancels all listener registrations for the current session.
NOTIFY contains a more extensive discussion of the use of
Name of a notification channel (any identifier).
All current listen registrations for this session are cleared.
You can unlisten something you were not listening for; no warning or error will appear.
At the end of each session,
UNLISTEN * is automatically executed.
A transaction that has executed
UNLISTEN cannot be prepared for two-phase commit.
To make a registration:
LISTEN virtual; NOTIFY virtual; Asynchronous notification "virtual" received from server process with PID 8448.
UNLISTEN has been executed, further
NOTIFY messages will be ignored:
UNLISTEN virtual; NOTIFY virtual; -- no NOTIFY event is received
There is no
UNLISTEN command in the SQL standard.
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