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From: David G. Johnston <[email protected]>
To: Teodor Sigaev <[email protected]>
Cc: Rob Imig <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Performant queries on table with many boolean columns
Date: Wed, 20 Apr 2016 14:49:10 -0700
Message-ID: <CAKFQuwY3z7oGwriDie4guGPudy_k8S4wWJKrTRy7zPKjTUm=wQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CANcrS5pR1P1Tj=e-RQQ=FF3WPAy_fyruS0YJer-+iJHxR1JAiA@mail.gmail.com>
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On Wed, Apr 20, 2016 at 11:54 AM, Teodor Sigaev <[email protected]> wrote:

>
>> The obvious thing seems to make a table with ~100 columns, with 1 column
>> for each boolean property. Though, what type of indexing strategy would
>> one use on that table? Doesn't make sense to do BTREE. Is there a better
>> way to structure it?
>>
>> looks like a deal for contrib/bloom index in upcoming 9.6 release


​Curious, it doesn't look like it will work with booleans out of the box.

http://www.postgresql.org/docs/devel/static/bloom.html

David J.
​

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