pg_stat_last_operation

The pg_stat_last_operation table contains metadata tracking information about database objects (tables, views, etc.).

column	type	references	description
classid	oid	pg_class.oid	OID of the system catalog containing the object.
objid	oid	any OID column	OID of the object within its system catalog.
staactionname	name		The action that was taken on the object.
stasysid	oid	pg_authid.oid	A foreign key to pg_authid.oid.
stausename	name		The name of the role that performed the operation on this object.
stasubtype	text		The type of object operated on or the subclass of operation performed.
statime	timestamp with timezone		The timestamp of the operation. This is the same timestamp that is written to the Greenplum Database server log files in case you need to look up more detailed information about the operation in the logs.

Parent topic: System Catalogs Definitions