Re: Lock Modes (Documentation)

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От Bruce Momjian
Тема Re: Lock Modes (Documentation)
Дата
Msg-id 200511022330.jA2NUcN02794@candle.pha.pa.us
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Ответ на Re: Lock Modes (Documentation)  ("Jim C. Nasby" <jnasby@pervasive.com>)
Ответы Re: Lock Modes (Documentation)  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Lock Modes (Documentation)  ("Jim C. Nasby" <jnasby@pervasive.com>)
Список pgsql-general
Jim C. Nasby wrote:
> On Wed, Nov 02, 2005 at 05:59:15PM -0500, Bruce Momjian wrote:
> > Actually, pre-8.1 used ROW EXCLUSIVE for foreign keys because we didn't
> > have ROW SHARE until 8.1.  I actually can't find out how we are doing
> > that in the code, however.  Analyzing the code is probably the only way
> > to get this detailed lock information.
>
> Would it be feasable to have the lock manager spew out info about lock
> aquisition and release? Not only would it make getting this information
> easy, but I suspect it could be a useful debugging tool.

Something like log_locks?  That would be valuable.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
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