pg_stat_get_backend_client_addr()

A function reporting a backend's client address

pg_stat_get_backend_client_addr() is a system function reporting the client address of the user connected to the specified backend.

pg_stat_get_backend_client_addr() was added in PostgreSQL 8.1.

Usage

pg_stat_get_backend_client_addr ( integer ) → inet

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_addr() corresponds to the column client_addr in pg_stat_activity.

To obtain the client address of the current backend, use inet_client_addr().

Related functions

The following related functions are also available:

Change history

PostgreSQL 8.1
- added (commit 4744c1a0)

Examples

Basic usage example for pg_stat_get_backend_client_addr():

postgres=# SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
                  pg_stat_get_backend_client_addr(s.backendid) AS client_addr
             FROM (SELECT pg_stat_get_backend_idset() AS backendid) AS s;
   pid   | client_addr 
---------+-------------
 1451980 | 
 1451982 | 
 2081074 | 127.0.0.1
 1764534 | 127.0.0.1
 1451978 | 
 1451977 | 
 1451979 | 
(7 rows)

References

PostgreSQL documentation: Per-Backend Statistics Functions

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