On Thu, 2007-12-13 at 10:24 +0100, Michael Lackhoff wrote:

Hi Michael

> To make life easier I created a custom field type in RHTMLO that changes
> '' to undef/NULL where necessary but I wonder if there isn't a better
> way, like a RDBO parameter 'empty_sets_null' or 'false_sets_null' in a
> column definition.

Alternatively, consult:
Joe Celko's SQL for Smarties
1-55860-576-2
Morgan Kaufmann
2000 (2nd Ed) p 120, where Joe says:
It is a good idea to declare all your base tables with NOT NULL
constraints on all columns whenever possible.

Maybe that's pointing you to the real problem.
-- 
Ron Savage
[EMAIL PROTECTED]
http://savage.net.au/index.html



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