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https://issues.apache.org/jira/browse/HIVE-21737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921487#comment-16921487
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Nandor Kollar commented on HIVE-21737:
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[~Fokko] changes on {{RelTreeSignature.java}} look unrelated, would you mind
reverting those?
In addition, I'm afraid that
[this|https://github.com/apache/hive/blob/master/serde/src/java/org/apache/hadoop/hive/serde2/avro/TypeInfoToSchema.java#L238]
part of TypeInfoToSchema no longer sets default to null as it used to do: this
call landed
[here|https://github.com/apache/avro/blob/branch-1.8/lang/java/avro/src/main/java/org/apache/avro/Schema.java#L394]
before, but now
[this|https://github.com/apache/avro/blob/master/lang/java/avro/src/main/java/org/apache/avro/Schema.java#L557]
constructor is getting called, which - if I'm not mistaken - will end with a
{{org.apache.avro.AvroRuntimeException: Unknown datum class: class
com.fasterxml.jackson.databind.node.NullNode}}. Is my assumption correct?
Unfortunately I'm not too familiar with Hive, so I don't know which test case
would fail.
I think we should simply get rid of Jackson classes here, and just pass null in
the Schema.Field constructor.
> Upgrade Avro to version 1.9.1
> -----------------------------
>
> Key: HIVE-21737
> URL: https://issues.apache.org/jira/browse/HIVE-21737
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Reporter: Ismaël Mejía
> Assignee: Fokko Driesprong
> Priority: Minor
> Labels: pull-request-available
> Attachments: 0001-HIVE-21737-Bump-Apache-Avro-to-1.9.1.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Avro 1.9.0 was released recently. It brings a lot of fixes including a leaner
> version of Avro without Jackson in the public API. Worth the update.
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