Result set 1:
columns {
  name: "k1"
  type {
    type_id: UINT32
  }
}
columns {
  name: "column1"
  type {
    type_id: UINT64
  }
}
rows {
  items {
    uint32_value: 11
  }
  items {
    uint64_value: 3
  }
}
rows {
  items {
    uint32_value: 21
  }
  items {
    uint64_value: 9
  }
}
Result set 2:
columns {
  name: "k1"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k2"
  type {
    type_id: UINT32
  }
}
columns {
  name: "column2"
  type {
    type_id: UINT64
  }
}
rows {
  items {
    uint32_value: 11
  }
  items {
    uint32_value: 12
  }
  items {
    uint64_value: 3
  }
}
rows {
  items {
    uint32_value: 21
  }
  items {
    uint32_value: 22
  }
  items {
    uint64_value: 9
  }
}
Result set 3:
columns {
  name: "k1"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k2"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k3"
  type {
    type_id: UINT32
  }
}
columns {
  name: "column3"
  type {
    type_id: UINT64
  }
}
rows {
  items {
    uint32_value: 11
  }
  items {
    uint32_value: 12
  }
  items {
    uint32_value: 13
  }
  items {
    uint64_value: 3
  }
}
rows {
  items {
    uint32_value: 21
  }
  items {
    uint32_value: 22
  }
  items {
    uint32_value: 23
  }
  items {
    uint64_value: 9
  }
}
Result set 4:
columns {
  name: "k1"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k2"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k3"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k4"
  type {
    type_id: UINT32
  }
}
columns {
  name: "column4"
  type {
    type_id: UINT64
  }
}
rows {
  items {
    uint32_value: 11
  }
  items {
    uint32_value: 12
  }
  items {
    uint32_value: 13
  }
  items {
    uint32_value: 14
  }
  items {
    uint64_value: 3
  }
}
rows {
  items {
    uint32_value: 21
  }
  items {
    uint32_value: 22
  }
  items {
    uint32_value: 23
  }
  items {
    uint32_value: 24
  }
  items {
    uint64_value: 9
  }
}
Result set 5:
columns {
  name: "k1"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k2"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k3"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k4"
  type {
    type_id: UINT32
  }
}
columns {
  name: "k5"
  type {
    type_id: UINT32
  }
}
columns {
  name: "column5"
  type {
    type_id: UINT64
  }
}
rows {
  items {
    uint32_value: 11
  }
  items {
    uint32_value: 12
  }
  items {
    uint32_value: 13
  }
  items {
    uint32_value: 14
  }
  items {
    uint32_value: 15
  }
  items {
    uint64_value: 3
  }
}
rows {
  items {
    uint32_value: 21
  }
  items {
    uint32_value: 22
  }
  items {
    uint32_value: 23
  }
  items {
    uint32_value: 24
  }
  items {
    uint32_value: 25
  }
  items {
    uint64_value: 9
  }
}
