Re: REPLICA IDENTITY FULL

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>, craig(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: REPLICA IDENTITY FULL
Date: 2017-06-23 14:09:41
Message-ID: 8238.1498226981@sss.pgh.pa.us
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Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:
> Any thoughts about keeping datumAsEqual() as a first check? I did some
> light performance tests, but it was inconclusive.

Seems like it would tend to be a win if, in fact, the values are
usually equal. If they're usually not, then it's a loser. Do
we have any feeling for which case is more common?

regards, tom lane

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