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Re: Bug? Query plans / EXPLAIN using gigabytes of memory

From: Toby Corkindale <toby(dot)corkindale(at)strategicdata(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Bug? Query plans / EXPLAIN using gigabytes of memory
Date: 2012-04-26 07:16:45
Message-ID: 4F98F65D.1020101@strategicdata.com.au (view raw or flat)
Thread:
Lists: pgsql-general
On 26/04/12 16:58, Tom Lane wrote:
> Toby Corkindale<toby(dot)corkindale(at)strategicdata(dot)com(dot)au>  writes:
>> On 26/04/12 15:30, Tom Lane wrote:
>>> Hm, is the update target an inheritance tree?
>
>> The target is the parent table of a bunch of partitions.
>
> How many would "a bunch" be, exactly?  I'm fairly sure that the complex
> view would get re-planned for each target table ...

The table being updated (line) has 57 child tables.

-Toby

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