I think your definition should be this:

  "type": "array",
  "items": [ "int", "boolean", "string" ]

The difference is that when using the {"type": <type string>} syntax, you
can only use one type. Unions are made using lists of types. The above uses
a string (e.g., "int") as a stand-in for a full type, like {"type": "int"}.


On Tue, Aug 8, 2017 at 11:17 AM, Gill, John <> wrote:

> Is it valid for the items in an array to be Union schema?
> {
>   "type": "array",
>   "items": { "type": [ "int", "boolean", "string" ] }
> }
> According to the spec it is ambiguous:
>   *   items: the schema of the array's items.
> I have tried this schema in both python and c and it generates exceptions
> for invalid Schema. I was just curious if this was valid or not.
> Thanks
> - John

Ryan Blue
Software Engineer

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