Re: Multicolumn index for single-column queries?

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Multicolumn index for single-column queries?
Date: 2019-04-18 14:12:31
Message-ID: ae504849-6f38-7597-1ec4-202f005b85f4@gmail.com
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On 4/18/19 8:45 AM, Gavin Flower wrote:
> On 19/04/2019 01:24, Ron wrote:
>> On 4/18/19 2:14 AM, Andreas Kretschmer wrote:
[snip]
>>
>> (Prefix compression would obviate the need for this question. Then your
>> multi-column index would be *much* smaller.)
>
> True, but a multi column index will still be bigger than single column index.

TANSTAAFL.

--
Angular momentum makes the world go 'round.

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