Paweł Domański
39 lines
1.1 KiB
SQL
39 lines
1.1 KiB
SQL
/* Use for PostgreSQL 9.2 or greater */
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SELECT c.datname,
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c.pid as pid,
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c.client_addr,
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c.usename as user,
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c.query,
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CASE WHEN c.waiting = TRUE
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THEN 'BLOCKED'
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ELSE 'no'
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END as waiting,
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l.pid as blocked_by,
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current_timestamp - c.query_start as duration
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FROM pg_stat_activity c
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LEFT JOIN pg_locks l1 ON (c.pid = l1.pid and not l1.granted)
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LEFT JOIN pg_locks l2 on (l1.relation = l2.relation and l2.granted)
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LEFT JOIN pg_stat_activity l ON (l2.pid = l.pid)
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LEFT JOIN pg_stat_user_tables t ON (l1.relation = t.relid)
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WHERE pg_backend_pid() <> c.pid
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ORDER BY datname,
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query_start;
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/* Use for PostgreSQL 9.1 or less */
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/*
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SELECT
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w.current_query as waiting_query,
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w.procpid as w_pid,
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w.usename as w_user,
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l.current_query as locking_query,
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l.procpid as l_pid,
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l.usename as l_user,
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t.schemaname || '.' || t.relname as tablename
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FROM pg_stat_activity w
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JOIN pg_locks l1 ON (w.procpid = l1.pid and not l1.granted)
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JOIN pg_locks l2 on (l1.relation = l2.relation and l2.granted)
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JOIN pg_stat_activity l ON (l2.pid = l.procpid)
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JOIN pg_stat_user_tables t ON (l1.relation = t.relid)
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WHERE w.waiting;
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*/
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