def PartitioningQueryIterable(cls, client, query, options, database_link, partition_key):
        """
        Represents a client side partitioning query iterable.
        
        This constructor instantiates a QueryIterable for
        client side partitioning queries, and sets _MultiCollectionQueryExecutionContext
        as the internal execution context.
        
        :param CosmosClient client:
            Instance of document client
        :param (str or dict) options:
        :param dict options:
            The request options for the request.
        :param str database_link:
            Database self link or ID based link
        :param str partition_key:
            Partition key for the query
        """
        # This will call the base constructor(__init__ method above)
        
        self = cls(client, query, options, None, None)
        self._database_link = database_link
        self._partition_key = partition_key

        return self