Creating a File With Unsigned Integer Columns

UInt8

Full example here

  {
    "name": "uint8",
    "schemaType": "required",
    "physicalType": "INT32",
    "logicalType": "UINT8",
    "data": [1, 2, 3, 4, 5]
  }

UInt16

Full example here

  {
    "name": "uint16",
    "schemaType": "required",
    "physicalType": "INT32",
    "logicalType": "UINT16",
    "data": [1, 2, 3, 4, 5]
  }

UInt32

Full example here

  {
    "name": "uint32",
    "schemaType": "required",
    "physicalType": "INT32",
    "logicalType": "UINT32",
    "data": [1, 2, 3, 4, 5]
  }

UInt64

Full example here

  {
  "name": "uint64",
  "schemaType": "required",
  "physicalType": "INT64",
  "logicalType": "UINT64",
  "data": [1, 2, 3, 4, 5]
}