Re: getting all constraint violations

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: getting all constraint violations
Дата
Msg-id 22452.1274469022@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: getting all constraint violations  ("Gauthier, Dave" <dave.gauthier@intel.com>)
Ответы Re: getting all constraint violations  ("Gauthier, Dave" <dave.gauthier@intel.com>)
Список pgsql-general
"Gauthier, Dave" <dave.gauthier@intel.com> writes:
> Is there a way to temporarily suspend constraint checking for a particular constraint inside of the transaction, try
theinsert again, capture the next violation, then the next, etc... then rollback after all have been collected? 

You could do something like

    BEGIN;
    ALTER TABLE DROP CONSTRAINT ...
    INSERT ...
    ROLLBACK;

The major deficiency of this is that the ALTER TABLE would grab
exclusive lock on the table, so this doesn't scale if you need to
have several insertions happening in parallel.

            regards, tom lane

В списке pgsql-general по дате отправления:

Предыдущее
От: Richard Broersma
Дата:
Сообщение: Re: getting all constraint violations
Следующее
От: "Gauthier, Dave"
Дата:
Сообщение: Re: getting all constraint violations