- id => { type => 'integer', not_null => 1, sequence => 'custom_variable_configs_id' },
- name => { type => 'text', not_null => 1 },
- description => { type => 'text', not_null => 1 },
- type => { type => 'text', not_null => 1 },
- module => { type => 'text', not_null => 1 },