Re: query patterns for multipass aggregating

From: Rob Nikander <rob(dot)nikander(at)gmail(dot)com>
To: Postgres General <pgsql-general(at)postgresql(dot)org>
Cc: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
Subject: Re: query patterns for multipass aggregating
Date: 2018-11-11 18:23:18
Message-ID: 71DE41FA-A835-4A2B-BD6C-BDEE498D6A3E@gmail.com
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> On Nov 11, 2018, at 12:54 PM, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> wrote:
> …

Thank you that is very helpful.

Could the CTE’s theoretically be optimized in a future version of PG, to work like the subqueries? I like to use them to give names to intermediate results, but I’ll stay away from them for now.

Rob

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