Re: SELECT ... FOR UPDATE [WAIT integer | NOWAIT] for 8.5

From: Boszormenyi Zoltan <zb(at)cybertec(dot)at>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Hans-Juergen Schoenig <postgres(at)cybertec(dot)at>, Josh Berkus <josh(at)agliodbs(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Sándor Miglécz <sandor(at)cybertec(dot)at>
Subject: Re: SELECT ... FOR UPDATE [WAIT integer | NOWAIT] for 8.5
Date: 2009-09-03 13:47:18
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Boszormenyi Zoltan írta:
> Alvaro Herrera írta:
>> Boszormenyi Zoltan wrote:
>>> The vague consensus for syntax options was that the GUC
>>> 'lock_timeout' and WAIT [N] extension (wherever NOWAIT
>>> is allowed) both should be implemented.
>>> Behaviour would be that N seconds timeout should be
>>> applied to every lock that the statement would take.
>> In
>> Tom argues that lock_timeout should be sufficient. I'm not sure what
>> does WAIT [N] buy
> Okay, we implemented only the lock_timeout GUC.
> Patch attached, hopefully in an acceptable form.
> Documentation included in the patch, lock_timeout
> works the same way as statement_timeout, takes
> value in milliseconds and 0 disables the timeout.
> Best regards,
> Zoltán Böszörményi

New patch attached. It's only regenerated for current CVS
so it should apply cleanly.

Bible has answers for everything. Proof:
"But let your communication be, Yea, yea; Nay, nay: for whatsoever is more
than these cometh of evil." (Matthew 5:37) - basics of digital technology.
"May your kingdom come" - superficial description of plate tectonics

Zoltán Böszörményi
Cybertec Schönig & Schönig GmbH

Attachment Content-Type Size
5-pg85-locktimeout-2-ctxdiff.patch text/x-patch 53.3 KB

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