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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Mismatch of transaction IDs in 'g.datastore.connection.Connecction.rollback_transaction()'","articleBody":"The method first checks that a transaction exists for the connection, and that it has a truthy ID[1], but then does not use that ID when setting up the API request:  instead, it uses a passed-in ID[2].  This is not the same behavior as in 'g.datastore.connection.Connecction.commit()', where the ID is used from the connection's transaction (if present)[3].\n\nIs there a usecase for using a connection to rollback any transaction ID other than the one bound to the connection?\n\n[1] https://github.com/GoogleCloudPlatform/gcloud-python/blob/master/gcloud/datastore/connection.py#L176\n\n[2] https://github.com/GoogleCloudPlatform/gcloud-python/blob/master/gcloud/datastore/connection.py#L180\n\n[3] https://github.com/GoogleCloudPlatform/gcloud-python/blob/master/gcloud/datastore/connection.py#L300\n","author":{"url":"https://github.com/tseaver","@type":"Person","name":"tseaver"},"datePublished":"2014-09-02T20:57:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/129/google-cloud-python/issues/129"}