/**
* Prepares data for saving and removes update time (if exists).
* This prevents saving same update time on each entity update.
*
* @param \Magento\Framework\Model\AbstractModel $object
* @return array
*/
protected function _prepareDataForSave(\Magento\Framework\Model\AbstractModel $object)
{
$data = parent::_prepareDataForTable($object, $this->getMainTable());
if (isset($data['updated_at'])) {
unset($data['updated_at']);
}
return $data;
}
