Re: More new SQL/JSON item methods

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Jeevan Chalke <jeevan(dot)chalke(at)enterprisedb(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: More new SQL/JSON item methods
Date: 2024-01-25 15:40:26
Message-ID: 5d37428e-0753-e721-8e77-81cc4d0dc9f1@dunslane.net
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On 2024-01-18 Th 09:25, Jeevan Chalke wrote:
>
>
> On Thu, Jan 18, 2024 at 1:03 AM Peter Eisentraut
> <peter(at)eisentraut(dot)org> wrote:
>
> On 17.01.24 10:03, Jeevan Chalke wrote:
> > I added unary '+' and '-' support as well and thus thought of
> having
> > separate rules altogether rather than folding those in.
> >
> >     Per SQL standard, the precision and scale arguments are unsigned
> >     integers, so unary plus and minus signs are not supported. 
> So my patch
> >     removes that support, but I didn't adjust the regression
> tests for that.
> >
> >
> > However, PostgreSQL numeric casting does support a negative
> scale. Here
> > is an example:
> >
> > # select '12345'::numeric(4,-2);
> >   numeric
> > ---------
> >     12300
> > (1 row)
> >
> > And thus thought of supporting those.
> > Do we want this JSON item method to behave differently here?
>
> Ok, it would make sense to support this in SQL/JSON as well.
>
>
> OK. So with this, we don't need changes done in your 0001 patches.
>
>
> > I will merge them all into one and will try to keep them in the
> order
> > specified in sql_features.txt.
> > However, for documentation, it makes more sense to keep them in
> logical
> > order than the alphabetical one. What are your views on this?
>
> The documentation can be in a different order.
>
>
> Thanks, Andrew and Peter for the confirmation.
>
> Attached merged single patch along these lines.

Thanks, I have pushed this.

cheers

andrew

--
Andrew Dunstan
EDB:https://www.enterprisedb.com

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