From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Pull up aggregate subquery |
Date: | 2011-05-25 20:08:57 |
Message-ID: | 26200.1306354137@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> I think getting it working is probably a good first goal. I am not
> really sure that we want to commit it that way, and I think my vote
> would be for you to work on the approach we discussed before rather
> than this one, but it's your project, and I think you'll probably
> learn enough in getting it working that it will be a step forward in
> any case. The planner is complex enough that it's worth trying to get
> something that works, first, before trying to make it perfect.
Remember Brooks' advice: "Plan to throw one away. You will anyhow."
regards, tom lane
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