Re: [GENERAL] select max(oid)

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: soundar rajan <psrajan(at)yahoo(dot)com>, pgsql-general(at)postgreSQL(dot)org
Subject: Re: [GENERAL] select max(oid)
Date: 1999-10-26 04:11:14
Message-ID: 199910260411.AAA17940@candle.pha.pa.us
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> On Oct 22, soundar rajan mentioned:
>
> > How do I
> >
> > select max(oid) from table;
> >
> > I'm able to to
> > select max(fieldname) from tablename;
> > but not max(oid).
>
> There is no max function for the type oid. (Interestingly, casting it to
> an int doesn't work either.) You could try to write your own (see help for
> create aggregate). There appear to be < and > operators for the type, so
> it shouldn't be too complicated.
>

Added to TODO:

* Add max() for oid type

--
Bruce Momjian | http://www.op.net/~candle
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