columns {
  name: "a"
  type {
    optional_type {
      item {
        type_id: UINT32
      }
    }
  }
}
columns {
  name: "c"
  type {
    optional_type {
      item {
        type_id: UINT32
      }
    }
  }
}
columns {
  name: "d"
  type {
    optional_type {
      item {
        type_id: STRING
      }
    }
  }
}
columns {
  name: "e"
  type {
    optional_type {
      item {
        type_id: UINT32
      }
    }
  }
}
columns {
  name: "f"
  type {
    optional_type {
      item {
        type_id: STRING
      }
    }
  }
}
columns {
  name: "g"
  type {
    optional_type {
      item {
        type_id: UINT32
      }
    }
  }
}
columns {
  name: "h"
  type {
    optional_type {
      item {
        type_id: STRING
      }
    }
  }
}
primary_key: "a"
storage_settings {
  store_external_blobs: DISABLED
}
column_families {
  name: "default"
  compression: COMPRESSION_NONE
}
partitioning_settings {
  partitioning_by_size: ENABLED
  partition_size_mb: 2048
  partitioning_by_load: DISABLED
  min_partitions_count: 1
}
