def get_orc_copy_command(stage_table_name, source, iam_role="{{var.value.redshift_iam_role}}", target_table=None):
        """
        Create an ORC COPY command for the parameters.
        Notes:
        - The Amazon S3 bucket must be in the same AWS Region as the Amazon Redshift cluster.
        seealso: https://docs.aws.amazon.com/redshift/latest/dg/copy-usage_notes-copy-from-columnar.html
        """

        #drop_command = "DROP TABLE IF EXISTS {}; ".format(stage_table_name)
        #commands = ("SET search_path TO open_data;", drop_command,)
        commands = ()

        # if target_table is not None:
        #    commands = commands + ( _create_stage_table_command(table_name=stage_table_name, target_table=target_table) , )

        """
        --sample
        COPY dim_company
        FROM 's3://s3path/stage/cnpj/2021-06/company/part-'
        iam_role 'arn:aws:iam::[id]:role/myRedshiftRole'
        FORMAT AS ORC
        ;
        """

        copy_command = ("""COPY {} FROM '{}' IAM_ROLE '{}' FORMAT AS ORC;""").format(
            stage_table_name,
            source,
            iam_role
            )

        commands = commands + (copy_command,)

        return commands