Given a datatype from column_info, returns a boolean value indicating if
the current RDBMS considers it a numeric value. This controls how
-L<< DBIx::Class::Row/set_column >> decides whether to mark the column as
+L<DBIx::Class::Row/set_column> decides whether to mark the column as
dirty - when the datatype is deemed numeric a C<< <=> >> comparison will
be performed instead of the usual C<eq>.