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

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: 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: 2007-03-12 14:21:39
Message-ID: 15144.1173709299@sss.pgh.pa.us
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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.

regards, tom lane

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