Re: Bad optimizer data for xml (WAS: xml data type implications of no =)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bad optimizer data for xml (WAS: xml data type implications of no =)
Date: 2010-06-09 15:08:22
Message-ID: 25105.1276096102@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Wed, Jun 9, 2010 at 1:14 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Yes, that was considered and rejected, IIRC. What is your definition
>> of equality for xml?

> I'd vote for !memcmp().

Surely not. xml is not text.

regards, tom lane

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