Try and use set_up_table instead of table and columns to configure your CDBI class to see if that makes a difference.

__PACKAGE__->set_up_table('users');

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set_up_table will read all the table information (like column names and primary keys and more) directly from the DB and setup your CDBI class for you.

In reply to Re: Clarification on Class::DBI wackiness by cees
in thread Clarification on Class::DBI wackiness by spork

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