Re: BUG #2417: bug for finding string in column
От
Bruno Wolff III
Тема
Re: BUG #2417: bug for finding string in column
Дата
Msg-id
20060503000500.GA31652@wolff.to
Ответ на
Список
Дерево обсуждения
BUG #2417: bug for finding string in column "James" <james@mercstudio.com>
Re: BUG #2417: bug for finding string in column Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: BUG #2417: bug for finding string in column Bruno Wolff III <bruno@wolff.to>
On Tue, May 02, 2006 at 10:34:12 +0000, James wrote: > > i've encounter bug where when a field is empty / null (type varchar(255) ), > when i use the sql query <> 'myvalue', it seems to be false all the time. Empty and NULL are not the same thing. NULL <> to any value evaluates to NULL which will not satisfy a WHERE clause. This is according to the SQL (i.e. it's not a bug).
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