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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 (view raw or flat)
Thread:
Lists: pgsql-bugs
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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Next:From: Magnus HaganderDate: 2007-03-12 16:50:58
Subject: BUG #3147: Test bug report
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Subject: Re: BUG #3143: MyLastRecPtr.xlogid not updated with MyLastRecPtr.xrecoff?

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