System Catalogs / System catalogs
pg_listener
Read the PG 8.4 manualThe catalog pg_listener supports the LISTEN and NOTIFY commands.
Reading PG 8.4·documented in 6 of 24 versions, 7.4 to 8.4
Historical documentation for a PostgreSQL version that is no longer supported.
- Kind
- System catalogs
- Columns in this snapshot
- 3
- Definition source
- English manual
Columns 3
As listed in the PostgreSQL 8.4 manual. This release was not measured, so NOT NULL is not shown.
| Column | Type | Description / reference |
|---|---|---|
relname | name | Notify condition name. (The name need not match any actual relation in the database; the name relname is historical.) |
listenerpid | int4 | PID of the server process that created this entry |
notification | int4 | Zero if no event is pending for this listener. If an event is pending, the PID of the server process that sent the notification |
Column history across versions
Definition snapshot: english-manuals:abbd5a40ec3449520858ececb8f… · English manual source