Re: Question regarding fast-hashing in PGSQL

From: Stephen Conley <cheetah(at)tanabi(dot)org>
To: Adam Brusselback <adambrusselback(at)gmail(dot)com>
Cc: pgsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Question regarding fast-hashing in PGSQL
Date: 2019-09-18 16:56:32
Message-ID: CAFbQXuFuToNoTkC3o=G_8KfU-3gtw1SyrMGPaFaQiieaSt=DMA@mail.gmail.com
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This should work perfectly for me. Thank you so much!

On Wed, Sep 18, 2019 at 12:50 PM Adam Brusselback <adambrusselback(at)gmail(dot)com>
wrote:

> I've had a similar issue in the past.
>
> I used the md5 hash function and stored it in a UUID column for my
> comparisons. Bigger than a bigint, but still much faster than string
> comparisons directly for my use case.
> UUID works fine for storing md5 hashes and gives you the ability to
> piggyback on all the index support built for them.
>
> Hope that helps,
> -Adam
>

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