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Re: Aggregate versions of hashing functions (md5, sha1, etc...) - Mailing list pgsql-general

From Ron Johnson
Subject Re: Aggregate versions of hashing functions (md5, sha1, etc...)
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Msg-id CANzqJaAWF7hr0OjMHBDpsO6O-AtPLu1RwopBEVYqgBT=Rmwrbg@mail.gmail.com
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In response to Re: Aggregate versions of hashing functions (md5, sha1, etc...)  (Adrian Klaver <adrian.klaver@aklaver.com>)
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On Thu, Jul 10, 2025 at 12:26 PM Adrian Klaver <adrian.klaver@aklaver.com> wrote:
On 7/10/25 04:48, Dominique Devienne wrote:

> Seems so logical to me, that these hashing functions were available
> are aggregates, I can't be the first one to think of that, can it?
>

I've been on this list since late 2002 and I don't recall this ever
being brought up. Now it is entirely possible that age has dimmed my
recall abilities:) Though a quick search seems to confirm my memory.

What even is an aggregate hash function?  (I can imagine a few possibilities, but don't want to assume.)

--
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