| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Junwang Zhao <zhjwpku(at)gmail(dot)com> |
| Cc: | jian he <jian(dot)universality(at)gmail(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "andreas(at)proxel(dot)se" <andreas(at)proxel(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: general purpose array_sort |
| Date: | 2024-10-13 20:10:39 |
| Message-ID: | 3502914.1728850239@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Junwang Zhao <zhjwpku(at)gmail(dot)com> writes:
> It seems there is not much meaning to sort composite type,
> so are you proposing we should error on that?
It's hardly "general purpose" if it randomly refuses to
sort certain types. I would say it should be able to sort
anything that ORDER BY will handle --- and that certainly
includes the cases shown here.
regards, tom lane
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