How does \Magento\Sales\Model\ResourceModel\EntityAbstract::_afterSave() work?

Development Sales
, ,
1

Context:

958164/app/code/Magento/Sales/Model/ResourceModel/EntityAbstract.php#L135-L160

/**
 * Perform actions after object save
 *
 * @param \Magento\Framework\Model\AbstractModel $object
 * @return $this
 */
protected function _afterSave(\Magento\Framework\Model\AbstractModel $object)
{
	$connection = $this->getConnection();
	$columns = $connection->describeTable($this->getMainTable());

	if (isset($columns['created_at'], $columns['updated_at'])) {
		$select = $connection->select()
			->from($this->getMainTable(), ['created_at', 'updated_at'])
			->where($this->getIdFieldName() . ' = :entity_id');
		$row = $connection->fetchRow($select, [':entity_id' => $object->getId()]);

		if (is_array($row) && isset($row['created_at'], $row['updated_at'])) {
			$object->setCreatedAt($row['created_at']);
			$object->setUpdatedAt($row['updated_at']);
		}
	}

	parent::_afterSave($object);
	return $this;
}