RE: [GENERAL] How can I obtain tables' structure?

> Paul Mookhachov <paul@pmfd.ru> writes:
>
> > Hi!
>
>     Hi !
>
> > How can I obtain information about tables' structure and list of
> tables
> > using psql.lib or Pg.pm (perl package)?
>
>     I think you got no wayt to do it directly, but with here's a
> trick :
>     all you have to do is to make a request likt this :
> 'select * from <table>' ($req = $cbase->exec ('select * from table'))
I'd use 'select * from <table> where false'. It save the table scan and
you get the same info.

>     now with '$req->nfields' you get the number of fields in the
> table.
>     with '$fname = $req->fname($num_field)' you get the name of
> the field. and with '$ftype = $req->ftype($num_field)' you get the
> type of the field.
>
>     You can get many other information on the table with some
> other commands... Just take a look at the perldoc page of Pg (to get
> it : 'perldoc Pg').
>
> > Thanx.
>
>     You're welcome !
> --
>   ___
> {~._.~}                    Stephane - DUST - Dupille
>  ( Y )            You were dust and you shall turn into dust
> ()~*~()                  email : sdupille@i-france.com
> (_)-(_)