Re: proposal - psql - show longest tables

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;

Regards

Pavel

> Regards,

> --
> Dimitri Fontaine
> http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support