From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: clog double-dip in heap_hot_search_buffer |
Date: | 2012-05-02 16:16:45 |
Message-ID: | CA+U5nMLZtVSOCZpDqdsArnXObZ=msABnEw6j=OykL71dc_BAyA@mail.gmail.com |
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On Wed, May 2, 2012 at 5:07 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Wed, May 2, 2012 at 12:06 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>>> + /* Deleter committed, so tuple is alive if the XID is old enough. */
>>> + return TransactionIdPrecedes(HeapTupleHeaderGetXmax(tuple), OldestXmin);
>>
>> s/alive/dead/ in that comment?
>
> Yep, good catch, thanks.
>
>> Otherwise this seems like a good idea.
>
> Do you think I should apply this to 9.2, or wait until 9.3?
Now please. Well done.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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