old_snapshot — inspect `old_snapshot_threshold` state

old_snapshot — inspect old_snapshot_threshold state

The old_snapshot module allows inspection of the server state that is used to implement old_snapshot_threshold.

Functions

pg_old_snapshot_time_mapping(array_offset OUT int4, end_timestamp OUT timestamptz, newest_xmin OUT xid) returns setof record : Returns all of the entries in the server's timestamp to XID mapping. Each entry represents the newest xmin of any snapshot taken in the corresponding minute.