[Zope] class Missing.Missing help

[Dieter Maurer]

Samir Mishra wrote at 2003-5-26 10:44 +0400:
 > I have a ZSQL method executing a simple 'select' statement against a MS SQL
 > Server. Some of the rows/columns have missing values. On looking at the
 > variable 'type', I get -
 > <extension class Missing.Missing at 013130E0>
 > 
 > How do I test if the return value is a NULL value? e.g., as in 
 > if variable is None:
 >     do something...
 > 
 > If I assign this value to a variable in a dictionary, I get -
 > {'variable':Missing.Value}

This is a bug in your Database Adapter. It should use
"None" to represent an SQL "NULL" value.

I do not think, there is a better work around than the one you
described in your other message.


Dieter