From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Zhihong Yu <zyu(at)yugabyte(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: unnesting multirange data types |
Date: | 2021-07-15 16:26:56 |
Message-ID: | CAPpHfduXsvM400S+QSmZic5ypvkGJdQ5_ZJQBNt4HEcvgemhdg@mail.gmail.com |
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Lists: | pgsql-hackers |
On Thu, Jul 15, 2021 at 6:47 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > On 2021-Jun-19, Tom Lane wrote:
> >> I'd say let's sit on the unnest code for a little bit and see what
> >> happens.
>
> > ... So, almost a month has gone by, and we still don't have multirange
> > unnest(). Looking at the open items list, it doesn't look like we have
> > anything that would require a catversion bump. Does that mean that
> > we're going to ship pg14 without multirange unnest?
>
> > That seems pretty sad, as the usability of the feature is greatly
> > reduced. Just look at what's being suggested:
> > https://postgr.es/m/20210715121508.GA30348@depesz.com
> > To me this screams of an incomplete datatype. I far prefer a beta3
> > initdb than shipping 14GA without multirange unnest.
>
> Yeah, that seems pretty horrid. I still don't like the way the
> array casts were done, but I'd be okay with pushing the unnest
> addition.
I agree that array casts require better polymorphism and should be
considered for pg15.
+1 for just unnest().
------
Regards,
Alexander Korotkov
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