| From: | Rob Wultsch <wultsch(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>, Stephen Frost <sfrost(at)snowman(dot)net>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Bernd Helmle <mailings(at)oopsware(dot)de>, Guillaume Lelarge <guillaume(at)lelarge(dot)info>, "jd(at)commandprompt(dot)com" <jd(at)commandprompt(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: SHOW TABLES |
| Date: | 2010-07-18 19:02:59 |
| Message-ID: | AANLkTilaIDcmcgfsXQB_O_QaTAkPHw9Do-JkLxjarXCQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Jul 18, 2010 at 11:58 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> On Sunday 18 July 2010 20:39:07 Dimitri Fontaine wrote:
>> SHOW ANY TABLE
>> GROUP BY tablename
>> HAVING array_agg(attributes) @> array['date'::regtype, 'time'::regtype];
> Why is that in *any* way better than
>
> SELECT *
> FROM meta.tables
> ...
>
> Oh. The second looks like something I know. Oh. My editor maybe as well? Oh.
> And some other tools also?
>
> Your syntax also forgets that maybe I only need a subset of the information.
>
> I am quite a bit surprised about all this discussion. I have a very hard time
> we will find anything people agree about and can remember well enough to be
> usefull for both manual and automatic processing.
>
> I agree that the internal pg_* tables are not exactly easy to query. And that
> the information_schema. ones arent complete enough and have enough concept
> mismatch to be confusing. But why all this?
>
> Andres
>
Do you have an alternative suggestion for emulating
"SHOW SCHEMAS"
"SHOW TABLES"
"DESC object"?
Make a user friendly interface is not easy, but it sure as heck is important.
--
Rob Wultsch
wultsch(at)gmail(dot)com
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