Re: Potential problem with HOT and indexes?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: Postgres <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Potential problem with HOT and indexes?
Date: 2009-03-08 16:45:45
Message-ID: 29471.1236530745@sss.pgh.pa.us
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Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> So it occurs to me that freezing xmin won't actually do what we want for
> indexcheckxmin. Namely it'll make the index *never* be used.

How do you figure that? FrozenXID is certainly in the past from any
vantage point.

regards, tom lane

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