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From: Maciek Sakrejda <[email protected]>
To: Vik Fearing <[email protected]>
Cc: David Rowley <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: ANY_VALUE aggregate
Date: Tue, 14 Feb 2023 22:30:11 -0800
Message-ID: <CAOtHd0DbJnXXQxnnFHN9ZxcNHEeWC0Vph6nY-Hrj1ZHdpLMyPQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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	<[email protected]>

I could have used such an aggregate in the past, so +1.

This is maybe getting into nit-picking, but perhaps it should be
documented as returning an "arbitrary" value instead of a
"non-deterministic" one? Technically the value is deterministic:
there's a concrete algorithm specifying how it's selected. However,
the algorithm is reserved as an implementation detail, since the
function is designed for cases in which the caller should not care
which value is returned.

Thanks,
Maciek

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