Class ProtoMetadata (2.26.0)

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ProtoMetadata(
    columns: typing.Optional[
        typing.List[
            typing.Tuple[
                typing.Optional[str],
                google.cloud.bigtable.data.execute_query.metadata.SqlType.Type,
            ]
        ]
    ] = None
)

Metadata class for the ExecuteQuery operation.

Parameter
Name	Description
columns	List[Tuple[Optional[str], SqlType.Type]] List of column metadata tuples. Each tuple contains the column name and the column type.