| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter_e(at)gmx(dot)net>, "David E(dot) Wheeler" <david(at)kineticode(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: RfD: more powerful "any" types |
| Date: | 2009-09-11 13:23:27 |
| Message-ID: | 20090911132327.GA5125@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Kevin Grittner escribió:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
>
> > what is more readable?
> >
> > select 'i=' || i || ', b=' || b || ', c=' || c ..
> >
> > or
> >
> > select format('i=%, b=%, c=%', i, b, c ..)
>
> Seriously, those are about dead even for me. The concatenation
> might have a slight edge, particularly since I have the option, if
> it gets out of hand, to do:
>
> select 'i=' || i
> || ', b=' || b
> || ', c=' || c
> ..
That barely works for me, and then only because it's a trivial example.
In real uses it's never that clear-cut, and the format version is a lot
better than the || alternative.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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