src/pgperf/93/pg_locks.sql

SELECT 0::int as sid,
       locktype,
       database,
       relation,
       page,
       tuple,
       virtualxid,
       transactionid,
       classid,
       objid,
       objsubid,
       virtualtransaction,
       pid,
       mode,
       granted,
       fastpath
  FROM pg_locks;