Daniel Heinrich created AVRO-3649:
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Summary: [JAVA] reorder union types to match default value
Key: AVRO-3649
URL: https://issues.apache.org/jira/browse/AVRO-3649
Project: Apache Avro
Issue Type: Improvement
Reporter: Daniel Heinrich
The Avro specification requires that a default value matches the first schema
of a union type.
Using @Nullable on a field will return a union type of the form ["null",
"<something>"].
@Nullable also sets the default value to "null".
It is not possible to override this default value with
{color:#bbb529}{color:#172b4d}@AvroDefault because of the order of the schemas
in the generated union.{color}
{color}
It would be nice that union types are automatically reordered to match the type
of the provided default value.
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