Re: NVL vs COALESCE
От | Christopher Kings-Lynne |
---|---|
Тема | Re: NVL vs COALESCE |
Дата | |
Msg-id | 4385B58D.3090804@familyhealth.com.au обсуждение исходный текст |
Ответ на | Re: NVL vs COALESCE (Michael Glaesemann <grzm@myrealbox.com>) |
Список | pgsql-hackers |
If we're going to do that we should add IFNULL() from MySQL as well... Chris Michael Glaesemann wrote: > > On Nov 24, 2005, at 21:21 , Marcus Engene wrote: > >> When we're having an alias discussion, I'd really like to see NVL in >> postgres. Not because of porting from oracle as much as just spelling >> that without the reference manual is completely impossible. > > > NVL: what a very unfortunate spelling. (NULL VaLue? NULL Valued Logic? > Named Very Loosely? Someone help me here :) ) AFAICT, COALESCE is SQL > standard, while NVL isn't. I think an index entry might be a good idea. > > Michael Glaesemann > grzm myrealbox com > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings
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