columns {
  name: "s_suppkey"
  type {
    type_id: INT32
  }
}
columns {
  name: "s_name"
  type {
    type_id: STRING
  }
}
columns {
  name: "s_address"
  type {
    type_id: STRING
  }
}
columns {
  name: "s_phone"
  type {
    type_id: STRING
  }
}
columns {
  name: "total_revenue"
  type {
    type_id: DOUBLE
  }
}
