Błąd: ERROR:  deadlock detected
DETAIL:  Process 1300713 waits for ShareLock on transaction 18000776; blocked by process 1299869.
Process 1299869 waits for ShareLock on transaction 18000923; blocked by process 1300713.
HINT:  See server log for query details.
CONTEXT:  while rechecking updated tuple (23,9) in relation "adv"