Method export

dvc/database.py:94–107

(
        self,
        sql: "Union[str, Selectable]",
        file: StrOrBytesPath,
        format: str = "csv",  # noqa: A002
        progress=noop,
    )

            raise DvcException("The database returned the following error") from exc

    def export(
        self,
        sql: "Union[str, Selectable]",
        file: StrOrBytesPath,
        format: str = "csv",  # noqa: A002
        progress=noop,
    ) -> None:
        con = self.engine.connect()
        if format == "csv":
            con = con.execution_options(stream_results=True)  # use server-side cursors

        with con:
            serializer = Serializer(sql, con)
            return serializer.export(file, format=format, progress=progress)


@contextmanager