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Re: WIP: cross column correlation ...

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: PostgreSQL - Hans-Jürgen Schönig <postgres(at)cybertec(dot)at>, pgsql-hackers Hackers <pgsql-hackers(at)postgresql(dot)org>, Boszormenyi Zoltan <zb(at)cybertec(dot)at>
Subject: Re: WIP: cross column correlation ...
Date: 2011-02-23 03:04:12
Message-ID: 11628.1298430252@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Feb 22, 2011 at 9:43 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> One of the criteria we've always had for a suitable hint-or-whatever-
>> you-call-it design is that it *not* involve decorating the queries.

> [ snip ]
> To put that another way, it's true that some people can't adjust their
> queries, but also some people can.  It's true that nonstandard stuff
> sucks, but queries that don't work suck, too.  And as for better
> solutions, how many major release cycles do we expect people to wait
> for them?

Well, a decorating-the-queries solution that isn't utter crap is not
going to be a small amount of work, either.

			regards, tom lane

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