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- CREATE VIEW lock_monitor AS(
- SELECT COALESCE(blockingl.relation::regclass::text,blockingl.locktype) AS locked_item
- , now() - blockeda.query_start AS waiting_duration
- , blockeda.pid AS blocked_pid
- , blockeda.query AS blocked_query
- , blockedl.mode AS blocked_mode
- , blockinga.pid AS blocking_pid
- , blockinga.query AS blocking_query
- , blockingl.mode AS blocking_mode
- FROM pg_catalog.pg_locks blockedl
- JOIN pg_stat_activity blockeda
- ON blockedl.pid = blockeda.pid
- JOIN pg_catalog.pg_locks blockingl
- ON ((( blockingl.transactionid = blockedl.transactionid)
- OR ( blockingl.relation = blockedl.relation
- AND blockingl.locktype = blockedl.locktype))
- AND blockedl.pid != blockingl.pid)
- JOIN pg_stat_activity blockinga
- ON blockingl.pid = blockinga.pid
- AND blockinga.datid = blockeda.datid
- WHERE NOT blockedl.granted
- AND blockinga.datname = current_database()
- );
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