From: Luke Lonergan <llonergan@greenplum.com>
To: Mark Kirkwood <markir@paradise.net.nz>
Cc: Gregory Stark <stark@enterprisedb.com>
Cc: Heikki Linnakangas <heikki@enterprisedb.com>
Cc: Anton <anton200@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: partitioned table and ORDER BY indexed_field DESC LIMIT 1
Date: Wed, 31 Oct 2007 07:16:13 -0700
Message-ID: <C34DDC3D.43F60%llonergan@greenplum.com> (raw)
In-Reply-To: <4726C52E.5020909@paradise.net.nz>
BTW - Mark has volunteered to work a Postgres patch together. Thanks Mark!
- Luke
On 10/29/07 10:46 PM, "Mark Kirkwood" <markir@paradise.net.nz> wrote:
> Luke Lonergan wrote:
>> Sure - it's here:
>> http://momjian.us/mhonarc/patches_hold/msg00381.html
>>
>>
>
> To clarify - we've fixed this in Greenplum db - the patch as submitted
> is (hopefully) a hint about how to fix it in Postgres, rather than a
> working patch... as its full of non-postgres functions and macros:
>
> CdbPathLocus_MakeHashed
> cdbpathlocus_pull_above_projection
> cdbpullup_findPathKeyItemInTargetList
> cdbpullup_makeVar
> cdbpullup_expr
>
> Cheers
>
> Mark
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To: pgsql-performance@postgresql.org
Cc: llonergan@greenplum.com, markir@paradise.net.nz, stark@enterprisedb.com, heikki@enterprisedb.com, anton200@gmail.com
Subject: Re: partitioned table and ORDER BY indexed_field DESC LIMIT 1
In-Reply-To: <C34DDC3D.43F60%llonergan@greenplum.com>
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