Re: Blank date field.. Help...

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От Richard Huxton
Тема Re: Blank date field.. Help...
Дата
Msg-id 200207171218.15905.dev@archonet.com
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Ответ на Re: Blank date field.. Help...  (Bruce Momjian <pgman@candle.pha.pa.us>)
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On Wednesday 17 Jul 2002 6:43 am, Bruce Momjian wrote:
> ryan@fdcsmail.darktech.org wrote:
> > Hi,
> >   Is there any way that I can do, just to make my date columns to accept
> > null/blank values? I use the latest stable version.
>
> Uh, you sure can.  Can you show us the query that is failing.  Unless
> the column is marked as NOT NULL, inserting a NULL should be fine.  It
> will not accept '', only NULL.

Those trying to produce cross-platform SQL should be aware that MySQL does
accept blank dates. It gets silently converted to "0000-00-00". This is
considered a feature (check their online manual for details).

Got bitten by this with a bug in one of my apps - couldn't understand what was
happening until I looked at the data being stored.

- Richard Huxton

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