Horton

Re: timeout implementation issues

Bruce Momjian <pgman@candle.pha.pa.us>

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From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Jessica Perry Hekman <jphekman@dynamicdiagrams.com>, Hiroshi Inoue <Inoue@tpf.co.jp>, Jan Wieck <janwieck@yahoo.com>, Barry Lind <barry@xythos.com>, pgsql-hackers@postgresql.org
Date: 2002-04-07T02:22:27Z
Lists: pgsql-hackers 
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Ewe, I was hoping for something with zero overhead for the non-SET case.
> 
> Well, a function call and immediate return if no SET has been executed
> in the current xact seems low enough overhead to me.  We'll just keep
> a flag showing whether there's anything to do.

Oh, I thought you were going to save all the GUC variables on
transaction start.  I now assume you are going to have one field per
variable for the pre-xact value.  That is fine.

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