DV_SESSIONS

DV_SESSIONS displays information about all active backend threads. By default, only the system administrator can access this view. Common users can access the view only after being authorized.

**Table 1** DV_SESSIONS columns
Name	Type	Description
sid	bigint	OID of the active backend thread of the current session.
serial#	integer	Sequence number of the active backend thread, which is 0 in GaussDB.
user#	oid	OID of the user that has logged in to the backend thread. The OID is 0 if the backend thread is a global auxiliary thread.
username	name	Name of the user logged in to the backend process. username is null if the backend thread is a global auxiliary thread. application_name can be identified by associating with pg_stat_get_activity(). Example: SELECT s.*,a.application_name FROM DV_SESSIONS AS s LEFT JOIN pg_stat_get_activity(NULL) AS a ON s.sid=a.sessionid;