Re: AW: AW: [HACKERS] isnull() or is it?t
| От | Bruce Momjian |
|---|---|
| Тема | Re: AW: AW: [HACKERS] isnull() or is it?t |
| Дата | |
| Msg-id | 199812091508.KAA10104@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | AW: AW: [HACKERS] isnull() or is it?t (Zeugswetter Andreas IZ5 <Andreas.Zeugswetter@telecom.at>) |
| Список | 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@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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