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To: Anish Kejariwal <anishkej@gmail.com>
cc: pgsql-sql@postgresql.org
Subject: Re: pass in array to function for use by where clause? how optimize? 
In-reply-to: <BANLkTinHyTWh-HZPm0XoTqYEtEqJ8T-iRw@mail.gmail.com> 
References: <BANLkTinHyTWh-HZPm0XoTqYEtEqJ8T-iRw@mail.gmail.com>
Comments: In-reply-to Anish Kejariwal <anishkej@gmail.com>
	message dated "Tue, 12 Apr 2011 10:08:25 -0700"
Date: Wed, 13 Apr 2011 11:09:23 -0400
Message-ID: <5079.1302707363@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Anish Kejariwal <anishkej@gmail.com> writes:
> (select store_id, avg(sales) sales
> from store
> where group_id in(select $1[i] from generate_subscripts($1, 1) g(i))

Seems like a pretty brute-force way to deal with the array.  Try

where group_id = any($1)

Not sure if it'll be a great deal faster, but it's at least easier to
write.

			regards, tom lane