Re: TransactionIdIsInProgress() cache

Поиск
Список
Период
Сортировка
Искать
От
Pavan Deolasee
Тема
Re: TransactionIdIsInProgress() cache
Дата
Msg-id
2e78013d0803110618x4dbbc67fg5f7863f027ce6cf4@mail.gmail.com
Ответ на
Список
Дерево обсуждения
TransactionIdIsInProgress() cache Simon Riggs <simon@2ndquadrant.com>
Re: TransactionIdIsInProgress() cache Bruce Momjian <bruce@momjian.us>
Re: TransactionIdIsInProgress() cache "Heikki Linnakangas" <heikki@enterprisedb.com>
Re: TransactionIdIsInProgress() cache Simon Riggs <simon@2ndquadrant.com>
Re: TransactionIdIsInProgress() cache Tom Lane <tgl@sss.pgh.pa.us>
Re: TransactionIdIsInProgress() cache Tom Lane <tgl@sss.pgh.pa.us>
Re: TransactionIdIsInProgress() cache Alvaro Herrera <alvherre@commandprompt.com>
Re: TransactionIdIsInProgress() cache "Pavan Deolasee" <pavan.deolasee@gmail.com>
Re: TransactionIdIsInProgress() cache "Heikki Linnakangas" <heikki@enterprisedb.com>
Re: TransactionIdIsInProgress() cache Alvaro Herrera <alvherre@commandprompt.com>
Re: TransactionIdIsInProgress() cache Tom Lane <tgl@sss.pgh.pa.us>
Re: TransactionIdIsInProgress() cache Simon Riggs <simon@2ndquadrant.com>
Re: TransactionIdIsInProgress() cache Tom Lane <tgl@sss.pgh.pa.us>
On Tue, Mar 11, 2008 at 6:37 PM, Alvaro Herrera
 wrote:
> I didn't check whether your transformation is correct, but if so then it
>  can be changed like this and save the extra XidDidCommit call:
>
>     xvac_committed = TransactionIdDidCommit(xvac);
>     if (xvac_committed)
>
>     {
>         /* committed */
>     }
>     else if (!TransactionIdIsInProgress(xvac))
>     {
>        if (xvac_committed)
>
>        {
>           /* committed */
>        }
>        else
>        {
>           /* aborted */
>        }
>     }
>     else
>     {
>         /* in-progress */
>     }
>


I doubt if the transformation is correct. If xvac_committed is true, why would
one even get into the else part ?

Thanks,
Pavan

-- 
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com
В списке pgsql-patches по дате отправления
FAQ