Francisco Reyes <lists@xxxxxxxxxxxxxxxx> writes: > The two records I always see are: > locktype |....| mode | granted > ---------------+....+-----------------+--------- > transactionid |....| ExclusiveLock | t > relation |....| AccessShareLock | t That would be your own transaction's lock on its own XID, and its share lock on the pg_locks view. Joining to pg_database.oid and pg_class.oid will help you interpret the numbers --- see http://www.postgresql.org/docs/8.1/static/view-pg-locks.html regards, tom lane