Пример #1
0
    def create(self, initial_split_keys=None, column_families=()):
        """Creates this table.

        .. note::

            A create request returns a
            :class:`._generated.table_pb2.Table` but we don't use
            this response.

        :type initial_split_keys: list
        :param initial_split_keys: (Optional) List of row keys that will be
                                   used to initially split the table into
                                   several tablets (Tablets are similar to
                                   HBase regions). Given two split keys,
                                   ``"s1"`` and ``"s2"``, three tablets will be
                                   created, spanning the key ranges:
                                   ``[, s1)``, ``[s1, s2)``, ``[s2, )``.

        :type column_families: list
        :param column_families: (Optional) List or other iterable of
                                :class:`.ColumnFamily` instances.
        """
        if initial_split_keys is not None:
            split_pb = table_admin_messages_v2_pb2.CreateTableRequest.Split
            initial_split_keys = [
                split_pb(key=key) for key in initial_split_keys
            ]

        table_pb = None
        if column_families:
            table_pb = table_v2_pb2.Table()
            for col_fam in column_families:
                curr_id = col_fam.column_family_id
                table_pb.column_families[curr_id].CopyFrom(col_fam.to_pb())

        request_pb = table_admin_messages_v2_pb2.CreateTableRequest(
            initial_splits=initial_split_keys or [],
            parent=self._instance.name,
            table_id=self.table_id,
            table=table_pb,
        )
        client = self._instance._client
        # We expect a `._generated.table_pb2.Table`
        client._table_stub.CreateTable(request_pb)
Пример #2
0
def _CreateTableRequestPB(*args, **kw):
    from google.cloud.bigtable._generated import (bigtable_table_admin_pb2 as
                                                  table_admin_v2_pb2)

    return table_admin_v2_pb2.CreateTableRequest(*args, **kw)