Re: Making strxfrm() blobs in indexes work

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Making strxfrm() blobs in indexes work
Date: 2014-01-31 01:05:22
Message-ID: CAM3SWZQKu9BC0FjAWcj9csUe0B7jqEH+2g2jL8N3ACwNKHKViA@mail.gmail.com
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On Thu, Jan 30, 2014 at 5:04 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> That's not hard to prevent. If that should happen, we don't go with
>> the strxfrm() datum. We have a spare IndexTuple bit we could use to
>> mark when the optimization was applied.
>
> You'd need a bit per column, no?

I don't think so. It would be no big deal if it was all or nothing.

--
Peter Geoghegan

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