如何实现Greenplum锁查询语句
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SELECT clock_timestamp(), pg_class.relname, pg_locks.locktype, pg_locks. DATABASE, pg_locks.relation, pg_locks.page, pg_locks.tuple, pg_locks.virtualtransaction, pg_locks.pid, pg_locks. MODE, pg_locks. GRANTED FROM pg_locks JOIN pg_class ON pg_locks.relation = pg_class.oid WHERE relname !~ '^pg_' AND relname <> 'active_locks';
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