def _get_collection_item(collection_id, dataset_id):
    """
        Get a single dataset collection entry by collection ID and dataset ID
        :param collection ID
        :param dataset ID
    """
    collection_item = db.DBSession.query(DatasetCollectionItem).\
            filter(DatasetCollectionItem.collection_id==collection_id,
                   DatasetCollectionItem.dataset_id==dataset_id).first()
    return collection_item
def _get_collection_item ( collection_id , dataset_id ) : collection_item = db . DBSession . query ( DatasetCollectionItem ) . filter ( DatasetCollectionItem . collection_id == collection_id , DatasetCollectionItem . dataset_id == dataset_id ) . first ( ) return collection_item
Get a single dataset collection entry by collection ID and dataset ID
        :param collection ID
        :param dataset ID