description => { type => 'text' },
charttype => { type => 'character', default => 'A', length => 1 },
category => { type => 'character', length => 1 },
- link => { type => 'text' },
+ link => { type => 'text', not_null => 1 },
taxkey_id => { type => 'integer' },
pos_bwa => { type => 'integer' },
pos_bilanz => { type => 'integer' },