Kalle Niemitalo created AVRO-3620:
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Summary: name vs. fullname in JSON encoding of union
Key: AVRO-3620
URL: https://issues.apache.org/jira/browse/AVRO-3620
Project: Apache Avro
Issue Type: Bug
Components: spec
Affects Versions: 1.11.1
Reporter: Kalle Niemitalo
The [JSON
Encoding|https://avro.apache.org/docs/1.11.1/specification/#json-encoding]
section of the Avro specification states that a union with a non-null value
_"is encoded as a JSON object with one name/value pair whose name is the type’s
name and whose value is the recursively encoded value. For Avro’s named types
(record, fixed or enum) the user-specified name is used, for other types the
type name is used."_ This refers to the {_}name{_}, but at least the JSON
encoder for Java writes the _fullname_ of the type instead. The terms "name"
and "fullname" are defined in
[Names|https://avro.apache.org/docs/1.11.1/specification/#names].
Tasks in this issue:
- Collect information about each implementation: whether its JSON encoder
writes the name or the fullname, and whether its JSON decoder accepts the name,
fullname, or both.
- Decide whether the name or the fullname should be used.
- Change the specification and implementations according to the decision, or
file separate issues for individual implementations.
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