Re: Showing parallel status in \df+

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Masao Fujii <masao(dot)fujii(at)gmail(dot)com>
Subject: Re: Showing parallel status in \df+
Date: 2016-07-08 19:02:02
Message-ID: CAFj8pRAA7W47fDhzmFFPEdxqgww4BVUeEp-EVLXe7N1hOqz=Yw@mail.gmail.com
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2016-07-08 20:39 GMT+02:00 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:

> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> > As a separate concern, IMO having the source code in a \df+ column is
> > almost completely useless.
>
> Good point. It works okay for C/internal functions, but in those cases
> it's usually redundant with the proname. For PL functions it's a disaster
> formatting-wise, because they're often wide and/or multi-line.
>
> > I propose to split that out to a separate
> > \df command (say \df% or \df/) that shows *only* the source code.
>
> As to those names, ick. Also, what do you envision the output looking
> like when multiple functions are selected? Or would you ban wildcards?
> If you do, it's not clear what this does that \sf doesn't do better.
>
> Maybe, given the existence of \sf, we should just drop prosrc from \df+
> altogether.
>

prosrc has still benefit for me (for C hacking). Can we show data there
only for internal or C functions? I agree, it useless for PLpgSQL.

Pavel

>
> regards, tom lane
>
>
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