Re: Slow query when the select list is big

From: John R Pierce <pierce(at)hogranch(dot)com>
To: Sterpu Victor <victor(at)caido(dot)ro>, PostgreSQL General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Slow query when the select list is big
Date: 2016-05-09 06:40:37
Message-ID: 71f1c06b-35ca-4fb5-2094-62793200a6c3@hogranch.com
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On 5/8/2016 11:09 PM, Sterpu Victor wrote:
> Yes but it is very big.
> I don't understand why the select list is influencing the CPU usage.
> I was expecting that only the join and where clauses would influence CPU.

what was the query that generated that really complicated execution
plan? it sure looks like a really complicated query with lots of joins
and sorts etc etc..

--
john r pierce, recycling bits in santa cruz

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