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ALTER SYSTEM KILL SESSION

Function

ALTER SYSTEM KILL SESSION ends a session.

Precautions

None

Syntax

ALTER SYSTEM KILL SESSION 'session_sid, serial' [ IMMEDIATE ];

Parameter Description

  • session_sid, serial

    Specifies the SID and SERIAL of a session (To obtain the values, see the example.)

  • IMMEDIATE

    Specifies that a session will be ended instantly after the statement is executed.

Example

-- Query session information.
mogdb=# 
SELECT sa.sessionid AS sid,0::integer AS serial#,ad.rolname AS username FROM pg_stat_get_activity(NULL) AS sa
LEFT JOIN pg_authid ad ON(sa.usesysid = ad.oid)WHERE sa.application_name <> 'JobScheduler';
       sid       | serial# | username 
-----------------+---------+----------
 140131075880720 |       0 | omm
 140131025549072 |       0 | omm
 140131073779472 |       0 | omm
 140131071678224 |       0 | omm
 140131125774096 |       0 | 
 140131127875344 |       0 | 
 140131113629456 |       0 | 
 140131094742800 |       0 | 
(8 rows)

-- End the session whose SID is 140131075880720.
mogdb=#  ALTER SYSTEM KILL SESSION '140131075880720,0' IMMEDIATE;