SELECT * FROM active_locks;

SELECT pg_cancel_backend('%pid%');

CREATE OR REPLACE VIEW public.active_locks AS

SELECT t.schemaname,

    t.relname,

    l.locktype,

    l.page,

    l.virtualtransaction,

    l.pid,

    l.mode,

    l.granted

  FROM pg_locks l

  JOIN pg_stat_all_tables t ON l.relation = t.relid

  WHERE t.schemaname <> 'pg_toast'::name AND t.schemaname <> 'pg_catalog'::name

  ORDER BY t.schemaname, t.relname;