varchar_date => { data_type => 'varchar', inflate_date => 1, size => 20, is_nullable => 1 },
varchar_datetime => { data_type => 'varchar', inflate_datetime => 1, size => 20, is_nullable => 1 },
skip_inflation => { data_type => 'datetime', inflate_datetime => 0, is_nullable => 1 },
+ ts_without_tz => { data_type => 'datetime', is_nullable => 1 }, # used in EventTZPg
);
__PACKAGE__->set_primary_key('id');