Re: Optimize a big matrix select

From: Kevin Grittner <kgrittn(at)ymail(dot)com>
To: Florian Schaetz <Florian(dot)Schaetz(at)Optitool(dot)DE>, "pgsql-novice(at)postgresql(dot)org" <pgsql-novice(at)postgresql(dot)org>
Subject: Re: Optimize a big matrix select
Date: 2015-03-27 14:47:20
Message-ID: 2042051212.2920045.1427467640663.JavaMail.yahoo@mail.yahoo.com
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Florian Schaetz <Florian(dot)Schaetz(at)Optitool(dot)DE> wrote:

> The TEMP_TABLE simply contains the list of integers as “point”
> (with an index).

Did you run ANALYZE on TEMP_TABLE after loading data and before
running your query?

You're not doing a lot of deletes or updates in TEMP_TABLE at any
point, are you?

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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