From: | Phil Sorber <phil(at)omniti(dot)com> |
---|---|
To: | Thom Brown <thom(at)linux(dot)com> |
Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
Subject: | Re: PATCH: psql boolean display |
Date: | 2012-08-20 22:16:37 |
Message-ID: | CADAkt-ieJkB5Lqk-6b4MZiUD=Qm=VQ2QDp4VVUAN7zF2Esja9A@mail.gmail.com |
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Lists: | pgsql-hackers |
On Aug 20, 2012 6:08 PM, "Thom Brown" <thom(at)linux(dot)com> wrote:
>
> On 20 August 2012 23:06, Phil Sorber <phil(at)omniti(dot)com> wrote:
> >
> > On Aug 20, 2012 5:56 PM, "Thom Brown" <thom(at)linux(dot)com> wrote:
> >>
> >> On 20 August 2012 22:31, Phil Sorber <phil(at)omniti(dot)com> wrote:
> >> > On Aug 20, 2012 5:19 PM, "Phil Sorber" <phil(at)omniti(dot)com> wrote:
> >> >>
> >> >> On Aug 20, 2012 5:11 PM, "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
> >> >> wrote:
> >> >> >
> >> >> > 2012/8/20 Robert Haas <robertmhaas(at)gmail(dot)com>:
> >> >> > > On Sun, Aug 19, 2012 at 12:02 PM, Phil Sorber <phil(at)omniti(dot)com>
> >> >> > > wrote:
> >> >> > >> I am providing a patch to allow you to change the output of a
> >> >> > >> boolean
> >> >> > >> value in psql much like you can do with NULL. A client
requested
> >> >> > >> this
> >> >> > >> feature and we thought it may appeal to someone else in the
> >> >> > >> community.
> >> >> > >>
> >> >> > >> The patch includes updated docs and a regression test. The code
> >> >> > >> changes themselves are pretty simple and straightforward.
> >> >> > >>
> >> >> > >> Example from the regression test:
> >> >> > >>
> >> >> > >> SELECT true, false;
> >> >> > >> bool | bool
> >> >> > >> ------+------
> >> >> > >> t | f
> >> >> > >> (1 row)
> >> >> > >>
> >> >> > >> \pset booltrue 'foo'
> >> >> > >> \pset boolfalse 'bar'
> >> >> > >> SELECT true, false;
> >> >> > >> bool | bool
> >> >> > >> ------+------
> >> >> > >> foo | bar
> >> >> > >> (1 row)
> >> >> > >>
> >> >> > >> \pset booltrue 't'
> >> >> > >> \pset boolfalse 'f'
> >> >> > >> SELECT true, false;
> >> >> > >> bool | bool
> >> >> > >> ------+------
> >> >> > >> t | f
> >> >> > >> (1 row)
> >> >> > >>
> >> >> > >> As always, comments welcome.
> >> >> > >
> >> >> > > Why not just do it in the SQL?
> >> >> > >
> >> >> > > SELECT CASE WHEN whatever THEN 'foo' ELSE 'bar' END AS whatever;
> >> >> >
> >> >> > I understand this motivation - although I was more happy with
server
> >> >> > side solution.
> >> >> >
> >> >>
> >> >> Was a server side implementation submitted before? I can change it,
but
> >> >> I
> >> >> did it on the client side like the null display was done.
> >> >
> >> > Or how about both?
> >>
> >> Surely one would break the other?
> >>
> >
> > If using both.
>
> Yes. :)
Really server would override client.
>
> --
> Thom
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