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[FLINK-18192][1.11 Backport] Upgrade avro to 1.10 #13903

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@rmetzger rmetzger commented Nov 3, 2020

This is a backport of #13373 to release-1.11.

The PojoComparator assumes it can access a field of a pojo directly. It assumes the field is either public or setAccessible was called before. This is the case though only if  the record went through serialization. This is not the case e.g. in CollectionExecution mode.

Starting from this commit we make all fields accessible in
PojoComparator constructor.
This commit upgrades the default version of avro that flink-avro will use. It should be possible to downgrade the avro version in a user job as the binary format is compatible and we do not expose any dependencies on avro in the API.

Additionally this commit fixes handling of logical types: time-micros and timestamp-micros as well as interpretation of timestamp-millis in the AvroRowDataDeserializationSchema.
@rmetzger rmetzger changed the title FLINK-18192][1.11 Backport] Upgrade avro to 1.10 [FLINK-18192][1.11 Backport] Upgrade avro to 1.10 Nov 3, 2020
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I don't think we should be making such a bump for a bugfix release.
It seems like quite a big change, and particularly that we had to adjusts tests and internal code makes me worried that we might be breaking compatibility.

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rmetzger commented Nov 3, 2020

Thanks a lot for your considerations. I'll close the PR.

@rmetzger rmetzger closed this Nov 3, 2020
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