| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Sebastian Bossung <bossung(at)gmx(dot)de> |
| Cc: | Postgres General Mailinglist <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Detecting locks |
| Date: | 2001-04-23 15:44:28 |
| Message-ID: | Pine.LNX.4.30.0104231742510.758-100000@peter.localdomain |
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| Thread: | |
| Lists: | pgsql-general |
Sebastian Bossung writes:
> how do you find out if a row is locked _before_ using SELECT ... FOR UPADTE
> on it. The SELECT will wait for the lock to be removed (if there was one),
> making the user think the app crashed.
There is currently no way to detect locks. You could implement a timeout
in your application after which you send a query cancel. A waiting lock
still distinguishes it from a crashed program, ISTM.
--
Peter Eisentraut peter_e(at)gmx(dot)net http://funkturm.homeip.net/~peter
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