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Re: BUG #3143: MyLastRecPtr.xlogid not updated with MyLastRecPtr.xrecoff?

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Chongfeng Hu <loveminix(at)yahoo(dot)com(dot)cn>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #3143: MyLastRecPtr.xlogid not updated with MyLastRecPtr.xrecoff?
Date: 2007-03-20 16:46:19
Message-ID: 200703201646.l2KGkJF27090@momjian.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Tom Lane wrote:
> Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> > I agree that it is a bit misleading, though. A boolean 
> > "MyXactMadeTransactionControlledXlogEntry", like the 
> > "MyXactMadeXLogEntry" and "MyXactMadeTempRelupdate" variables would be 
> > cleaner.
> 
> I think at one time the back-link nature of the variable was actually
> exploited --- it was used to make an additional back-link in XLOG record
> headers.  But it's true that it isn't much more than a bool at present.

Should someone clean up that variable usage?

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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