| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Andreas(dot)Zeugswetter(at)telecom(dot)at (Zeugswetter Andreas IZ5) |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: AW: AW: [HACKERS] isnull() or is it?t |
| Date: | 1998-12-09 15:08:12 |
| Message-ID: | 199812091508.KAA10104@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
>
> >Zeugswetter Andreas IZ5 wrote:
> >>
> >> > isnull() is on our TODO list.
> >>
> >> It should be called NVL() from "Null VaLue" like in
> Oracle and
> >> Informix.
> >> isnull() would suggest a boolean return value to me.
> >>
> >
> >
> >With SyBase, IsNull(X,Y) returns X if X is not null, and Y
> >if X is null.
>
> Yes, the difference is only the name of the function.
isnull() is used by Ingres.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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