SELECT 0::int as sid,
       relid,
       schemaname,
       relname,
       heap_blks_read,
       heap_blks_hit,
       idx_blks_read,
       idx_blks_hit,
       toast_blks_read,
       toast_blks_hit,
       tidx_blks_read,
       tidx_blks_hit
  FROM pg_statio_user_tables
 WHERE schemaname NOT IN ('pg_catalog', 'pg_toast', 'information_schema');