Will Smith wrote:
> Thanks Chris,
>   Yes, CDBI model, and does not work the way you say. It does not give a 
> sytax error but nothing returned.
>   $c->model('myappDB::Student')->search( studentname => {'!=', undef} )
> 
> ..................
> {column => {'!=', undef} I'd assume...
> 
> -=Chris

http://wiki.class-dbi.com/wiki/Searching_for_NULL_and_IS_NOT_NULL

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