| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | julie(at)postgreSQL(dot)org (Julia A(dot)Case) |
| Cc: | julie(at)hub(dot)org, scrappy(at)hub(dot)org, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] attlen weirdness? |
| Date: | 1998-03-11 15:20:35 |
| Message-ID: | 199803111520.KAA17435@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
>
> Quoting Bruce Momjian (maillist(at)candle(dot)pha(dot)pa(dot)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.
--
Bruce Momjian | 830 Blythe Avenue
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