airflow/contrib/hooks/datastore_hook.py
def rollback(self, transaction):
        """
        Roll back a transaction.

        .. seealso::
            https://cloud.google.com/datastore/docs/reference/rest/v1/projects/rollback

        :param transaction: the transaction to roll back.
        :type transaction: str
        """
        conn = self.get_conn()

        conn.projects().rollback(
            projectId=self.project_id, body={'transaction': transaction}
        ).execute(num_retries=self.num_retries)
def rollback(self, transaction):
        conn = self.get_conn()

        conn.projects().rollback(
            projectId=self.project_id, body={'transaction': transaction}
        ).execute(num_retries=self.num_retries)
def rollback ( self , transaction ) : conn = self . get_conn ( ) conn . projects ( ) . rollback ( projectId = self . project_id , body = { 'transaction' : transaction } ) . execute ( num_retries = self . num_retries )
Roll back a transaction.

        .. seealso::
            https://cloud.google.com/datastore/docs/reference/rest/v1/projects/rollback

        :param transaction: the transaction to roll back.
        :type transaction: str
Roll back a transaction .