function postal_code_field_schema in Postal Code 7

Implements hook_field_schema().

File

./postal_code.install, line 32

Based on example from http://www.slideshare.net/zugec/fields-in-core-how-to-create-a-custom-field and http://drupal.org/project/examples.

Code

function postal_code_field_schema($field) {
  if ($field['type'] == 'postal_code') {
    $columns = array(
      'postal' => array(
        'type' => 'varchar',
        'length' => '16',
        'not null' => FALSE,
      ),
    );
  }
  return array(
    'columns' => $columns,
  );
}