Re: [HACKERS] attlen weirdness?

>
> Quoting Bruce Momjian (maillist@candle.pha.pa.us):
> > I assume you are asking of attlen for char() and varchar() have the max
> > length.  The answer is now NO.  They are varlena structures like text,
> > and so have a attlen of -1.  Atttypmod for that pg_attribute row now has
> > the defined length.
> >
>
>     Even for a char(4) field?  ok, if attlen doesn't give the
> length of a field, how do I find it?

pg_attribute.atttypmod.

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