added kill-idle for 9.3 and later.

Author: jberkus

administration/kill_idle_93_table.sql

@@ -0,0 +1,38 @@
+create or replace function kill_idle_transactions (
+    timelimit INTERVAL DEFAULT '10 minutes',
+    safe_users TEXT[] DEFAULT '{}')
+returns SETOF json
+language plpgsql
+as
+$f$
+declare
+    cancelled JSON;
+    
+begin
+
+    FOR cancelled IN
+        WITH terminated AS (
+            SELECT pg_stat_activity.*, pg_terminate_backend(pid)
+            FROM pg_stat_activity
+            WHERE state = 'idle in transaction'
+              AND (now() - state_change) > timelimit
+              AND ( usename != ANY(safe_users)
+                    OR safe_users = '{}' )),
+        termformat AS (
+            SELECT now() as killtime,
+                datname, pid, usename, application_name,
+                client_addr, backend_start, xact_start,
+                state_change, waiting, "query"
+            FROM terminated )
+        SELECT row_to_json(termformat.*)
+        FROM termformat
+        LOOP
+        
+        RETURN NEXT cancelled;
+
+    END LOOP;
+
+    RETURN;
+
+end; $f$;
+