Re: Locking that will delayed a SELECT
От | Christoph Haller |
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Тема | Re: Locking that will delayed a SELECT |
Дата | |
Msg-id | 3DAFB935.5E6980B1@rodos.fzk.de обсуждение исходный текст |
Ответ на | Locking that will delayed a SELECT (Ludwig Lim <lud_nowhere_man@yahoo.com>) |
Ответы |
Re: Locking that will delayed a SELECT
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Список | pgsql-sql |
> Suppose I have a transaction (T1) which executes a > complicated stored procedure. While T1 is executing, > trasaction #2 (T2) begins to execute. > > T1 take more time to execute that T2 in such a way > that T2 finished earlier than T1. The result is that > t2 returns set of data before it can be modified by > T1. > > Given the above scenario. Is there a way such that > while T2 will only read that value updated by T1 (i.e. > T2 must wait until T1 is finished) ? What locks should > I used since a portion of T1 contains SELECT > statements? Should I used the "SERIALIZABLE > isolation". What's wrong about this question? I'm interested in an answer, too. Regards, Christoph
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