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From: Greg Stark <gsstark@mit.edu>
To: Marc G. Fournier <scrappy@postgresql.org>
Cc: pgsql-sql@postgresql.org
Subject: Re: ARRAYs and INDEXes ...
Date: 16 Aug 2005 10:59:28 -0400
Message-ID: <877jemvsfj.fsf@stark.xeocode.com> (raw)
In-Reply-To: <20050816014906.G1002@ganymede.hub.org>
References: <20050816014906.G1002@ganymede.hub.org>

"Marc G. Fournier" <scrappy@postgresql.org> writes:

> SELECT * FROM customers WHERE monthly_balance[6] = 0.00;

This, like the other poster said, can be accomplished with a set of simple
expression indexes.

> As an example ... or
> 
> SELECT * FROM customers WHERE 0.00 = any (monthly_balance);

This would require a GiST index. Look at the intarray contrib module. I don't
think there's any equivalent for other data types. You might have to store
these values as fixed precision numbers and divide or multiple by 100 to
convert.

-- 
greg




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