Roger created AVRO-2706:
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Summary: union reading does not use first matching member
Key: AVRO-2706
URL: https://issues.apache.org/jira/browse/AVRO-2706
Project: Apache Avro
Issue Type: Improvement
Components: java
Reporter: Roger
[Here|https://gist.github.com/rogpeppe/5faf971eec51f3dbd316bb71d6d5dccc] is a
JSON representation of a test case that fails with the Java implementation of
Avro.
To reproduce on the command line with avro-tools, you'll need a version of
avro-tools with https://github.com/apache/avro/pull/785 committed. I've used
the name "avro" as a synonym for running the avro-tools jar under the Java VM:
echo '{"F":{"int":999}}' |
avro fromjson --schema
'{"name":"R","type":"record","fields":[{"name":"F","type":["int","string"],"default":1234}]}'
- |
avro tojson --reader-schema
'{"name":"R","type":"record","fields":[{"name":"F","type":["long","int","string"],"default":1234}]}'
-
This produces:
{"F":{"int":999}}
whereas I'd expect to see "long", because the first matching item in the union
is "long".
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