pg_stat_get_backend_client_port()
A function reporting a backend's client port
pg_stat_get_backend_client_port()
is a system function
pg_stat_get_backend_client_port()
was added in PostgreSQL 8.1.
Usage
pg_stat_get_backend_client_port (integer
) →integer
The backend is specified by a backend ID number reported by pg_stat_get_backend_idset()
; see below for an execution example.
The value returned by pg_stat_get_backend_client_port()
corresponds to the column client_port
in pg_stat_activity
.
To obtain the client port of the current backend, use inet_client_port()
.
Related functions
The following related functions are also available:
pg_stat_get_backend_activity()
pg_stat_get_backend_activity_start()
pg_stat_get_backend_client_addr()
pg_stat_get_backend_dbid()
pg_stat_get_backend_pid()
pg_stat_get_backend_start()
pg_stat_get_backend_userid()
pg_stat_get_backend_wait_event()
pg_stat_get_backend_wait_event_type()
pg_stat_get_backend_xact_start()
Change history
- PostgreSQL 8.1
- added (commit 4744c1a0)
Examples
Basic usage example for pg_stat_get_backend_client_port()
:
postgres=# SELECT pg_stat_get_backend_pid(s.backendid) AS pid, pg_stat_get_backend_client_port(s.backendid) AS client_port FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s; pid | client_port ---------+------------- 1451980 | 1451982 | 2089310 | 57760 1764534 | 34674 1451978 | 1451977 | 1451979 | (7 rows)
References
- PostgreSQL documentation: Per-Backend Statistics Functions