Re: NULL in IN clause
От
David Dick
Тема
Re: NULL in IN clause
Дата
Msg-id
4356B00C.2040702@iprimus.com.au
Ответ на
NULL in IN clause (Havasvölgyi Ottó)
Список
Дерево обсуждения
Re: Scott Marlowe <smarlowe@g2switchworks.com>
As i understand it, the use of NULL in SQL means the value of the column is unknown. Therefore that result would seem fair. Havasvölgyi Ottó wrote: > Hi, > > I have just run this command on 8.0.4 : > > SELECT 'foo' WHERE 0 NOT IN (NULL, 1); > > And it resulted is zero rows. > Without NULL it is OK. > Is this a bug, or the standard has such a rule? > > Best Regards, > Otto > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org >
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