function uc_shipping_date_views_fields in Ubercart 7.3
Implements hook_date_views_fields().
All modules that create custom fields that use the 'views_handler_field_date' handler can provide additional information here about the type of date they create so the date can be used by the Date API views date argument and date filter.
File
- shipping/uc_shipping/ uc_shipping.module, line 794 
- Organizes ordered products into packages and sets them up for shipment. Shipping method modules may add functionality to generate shipping labels and tracking numbers.
Code
function uc_shipping_date_views_fields($field) {
  $values = array(
    // The type of date: DATE_UNIX, DATE_ISO, DATE_DATETIME.
    'sql_type' => DATE_UNIX,
    // Timezone handling options: 'none', 'site', 'date', 'utc' .
    'tz_handling' => 'site',
    // Needed only for dates that use 'date' tz_handling.
    'timezone_field' => '',
    // Needed only for dates that use 'date' tz_handling.
    'offset_field' => '',
    // Array of "table.field" values for related fields that should be
    // loaded automatically in the Views SQL.
    'related_fields' => array(),
    // Granularity of this date field's db data.
    'granularity' => array(
      'year',
      'month',
      'day',
      'hour',
      'minute',
      'second',
    ),
  );
  switch ($field) {
    case 'uc_shipments.ship_date':
    case 'uc_shipments.expected_delivery':
    case 'uc_shipments.changed':
      return $values;
  }
}