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From: Ron Johnson <[email protected]>
To: pgsql-general mailing list <[email protected]>
Subject: Re: Can we get sha* function over text, that could be used in index?
Date: Wed, 18 Feb 2026 10:07:22 -0500
Message-ID: <CANzqJaD7mjDcXKNcESLJ+oOd0GDZQvCc45hvGc7LD+zW9COKUg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On Wed, Feb 18, 2026 at 9:58 AM hubert depesz lubaczewski <[email protected]>
wrote:

> Hi,
> So, we have various sha* functions.
>
> And I recently got asked about using them as a based for unique index
> over long texts.
> Normally one would do it with md5(text), but the person asking wanted to
> use sha().


I think I'd push back, asking them if they really need
cryptographically-secure hashing (which they most probably don't).

-- 
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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