May 17, 2026, 11:40 PM

2026-05-18 06:40:19 +00:00
commit 64944cf004
896 changed files with 310709 additions and 0 deletions
@@ -0,0 +1,38 @@
+/* Use for PostgreSQL 9.2 or greater */
+SELECT c.datname,
+       c.pid as pid,
+       c.client_addr,
+       c.usename as user,
+       c.query,
+       CASE WHEN c.waiting = TRUE
+	    THEN 'BLOCKED'
+	    ELSE 'no'
+	END as waiting,
+       l.pid as blocked_by,
+       current_timestamp - c.query_start as duration
+  FROM pg_stat_activity c
+  LEFT JOIN pg_locks l1 ON (c.pid = l1.pid and not l1.granted)
+  LEFT JOIN pg_locks l2 on (l1.relation = l2.relation and l2.granted)
+  LEFT JOIN pg_stat_activity l ON (l2.pid = l.pid)
+  LEFT JOIN pg_stat_user_tables t ON (l1.relation = t.relid)
+ WHERE pg_backend_pid() <> c.pid
+ORDER BY datname,
+	 query_start;
+
+/* Use for PostgreSQL 9.1 or less */
+/*
+SELECT
+ w.current_query as waiting_query,
+ w.procpid as w_pid,
+ w.usename as w_user,
+ l.current_query as locking_query,
+ l.procpid as l_pid,
+ l.usename as l_user,
+ t.schemaname || '.' || t.relname as tablename
+ FROM pg_stat_activity w
+ JOIN pg_locks l1 ON (w.procpid = l1.pid and not l1.granted)
+ JOIN pg_locks l2 on (l1.relation = l2.relation and l2.granted)
+ JOIN pg_stat_activity l ON (l2.pid = l.procpid)
+ JOIN pg_stat_user_tables t ON (l1.relation = t.relid)
+ WHERE w.waiting;
+*/