From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr> |
Cc: | Merlin Moncure <mmoncure(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: proposal - psql - show longest tables |
Date: | 2013-07-23 04:18:27 |
Message-ID: | CAFj8pRAQ1kom29nTgm1Htjaxe0jgFYEWHCt=zU8W2T66BY7Csw@mail.gmail.com |
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Lists: | pgsql-hackers |
2013/7/23 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
> 2013/7/22 Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>:
>> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>>>> SELECT * from top5();
>>
>> $ TABLE top5; -- add a view on top of the SRF
>>
>>> you cannot use parameters - then I have to have prepared files like
>>> top10, top20, ... what is not too friendly
>>
>> The SRF could be using custom GUCs so that you can parametrize it, or
>> just even classic parameters…
>>
>> $ TABLE top(5); -- needs a patch to accept SRF here…
>> $ TABLE top LIMIT 5;
>>
>> $ SET top.limit = 5;
>> $ TABLE top;
>>
>
> It just not comfortable and it is not consistent with current psql
> commands design.
>
> In my proposal, you should to learn just char "s". I expect so every
> body knows "\dt"
>
> so
>
> \dts 10
>
> compare with:
>
> $ TABLE top(5); -- needs a patch to accept SRF here…
> $ TABLE top LIMIT 5;
I know so psql commands looks strange, but after few years when I work
with other db, I am thinking so this (ingres design) was very
practical - we have almost all important informations after press two
or three keys. This has no any other database, and a few database copy
this interface from us - Vertica, Monetdb.
Regards
Pavel
>
> Regards
>
> Pavel
>
>> Regards,
>
>> --
>> Dimitri Fontaine
>> http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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