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From: Joe Conway <mail@joeconway.com>
To: Anne Rosset <arosset@collab.net>
Cc: Craig James <craig_james@emolecules.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Need to increase performance of a query
Date: Thu, 10 Jun 2010 13:13:46 -0700
Message-ID: <4C11477A.5020909@joeconway.com> (raw)
In-Reply-To: <4C11469A.8000706@joeconway.com>
References: <4C1125F0.8090101@collab.net>
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	<4C113098.5040105@collab.net>
	<98414706.20100610212211@erwied.eu>
	<4C113E2F.6000305@collab.net>
	<4C11413B.8080107@emolecules.com>
	<4C114381.3030900@collab.net>
	<4C11469A.8000706@joeconway.com>

On 06/10/2010 01:10 PM, Joe Conway wrote:
> try:
> 
> create index item_rank_null_idx on item_rank(pf_id)
> where rank IS NOT NULL AND pf_id IS NULL;

oops -- that probably should be:

create index item_rank_null_idx on item_rank(project_id)
where rank IS NOT NULL AND pf_id IS NULL;

Joe

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