http://search.cpan.org/dist/DBIx-Class/
http://search.cpan.org/grep?cpanid=RIBASUSHI&release=DBIx-Class-0.08270&string=not_&i=1&n=1&C=0

lib/DBIx/Class/Manual/Cookbook.pod
83:_not_ accept search attributes. However one can always chain a sing
+le() to
337:The usual operators ( '=', '!=', -in, -not_in, etc.) are supported
+.
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http://search.cpan.org/dist/SQL-Abstract/
http://search.cpan.org/grep?cpanid=RIBASUSHI&release=SQL-Abstract-1.77&string=not_&i=1&n=1&C=0

 lib/SQL/Abstract.pm 
2228:The reverse operator C<-not_in> generates SQL C<NOT IN> and is us
+ed in
2232:(by default : C<1=0>). Similarly, C<< -not_in => [] >> generates
2257:Another pair of operators is C<-between> and C<-not_between>,
2263:           -not_between => ['2002-10-01', '2003-02-06']
2301:database you can use the C<-bool> and C<-not_bool> operators.
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