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https://issues.apache.org/jira/browse/AVRO-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Heinrich updated AVRO-3649:
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Description:
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.
was:
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.
> [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
> Priority: Trivial
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> 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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