UdmColumnType

JSON representation 
{

  // The following is a list of mutually exclusive fields. At most one of the
  // fields will be set in a response:
  "value": {
    object (UdmColumnValue)
  },
  "list": {
    object (UdmColumnList)
  }
  // End of mutually exclusive fields.
}
Fields
The following is a list of mutually exclusive fields. At most one of the fields will be set in a response:
value

object (UdmColumnValue)
list

object (UdmColumnList)
End of mutually exclusive fields.

UdmColumnValue

JSON representation 
{

  // The following is a list of mutually exclusive fields. At most one of the
  // fields will be set in a response:
  "nullVal": boolean,
  "boolVal": boolean,
  "bytesVal": string,
  "doubleVal": number,
  "int64Val": string,
  "uint64Val": string,
  "stringVal": string,
  "timestampVal": string,
  "dateVal": {
    object (Date)
  },
  "protoVal": {
    "@type": string,
    field1: ...,
    ...
  }
  // End of mutually exclusive fields.
}
Fields
The following is a list of mutually exclusive fields. At most one of the fields will be set in a response:
nullVal

boolean
boolVal

boolean
bytesVal

string (bytes format)

A base64-encoded string.
doubleVal

number
int64Val

string (int64 format)
uint64Val

string
stringVal

string
timestampVal

string (Timestamp format)

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
dateVal

object (Date)
protoVal

object

An object containing fields of an arbitrary type. An additional field "@type" contains a URI identifying the type. Example: { "id": 1234, "@type": "types.example.com/standard/id" }.
End of mutually exclusive fields.

UdmColumnList

JSON representation 
{
  "values": [
    {
      object (UdmColumnValue)
    }
  ]
}
Fields
values[]

object (UdmColumnValue)