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https://issues.apache.org/jira/browse/AVRO-4211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Long Tang reassigned AVRO-4211:
-------------------------------
> IDLUtils cannot generate schema for union fields with a default value that is
> NOT the 1st element
> -------------------------------------------------------------------------------------------------
>
> Key: AVRO-4211
> URL: https://issues.apache.org/jira/browse/AVRO-4211
> Project: Apache Avro
> Issue Type: Improvement
> Reporter: Long Tang
> Assignee: Christophe Le Saec
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> 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 w{color:#172b4d}ith
> @AvroDefault because of the order of the schemas in the generated
> union.{color}
>
> It would be nice that union types are automatically reordered to match the
> type of the provided default value.
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