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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2019/05/28 00:10:00 UTC

[jira] [Created] (SPARK-27858) Fix for avro deserialization on union types with multiple non-null types

Dongjoon Hyun created SPARK-27858:
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             Summary: Fix for avro deserialization on union types with multiple non-null types
                 Key: SPARK-27858
                 URL: https://issues.apache.org/jira/browse/SPARK-27858
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.4.3, 3.0.0
            Reporter: Dongjoon Hyun


This issue aims to fix a union avro type with more than one non-null value (for instance `["string", "null", "int"]`) the deserialization to a DataFrame would throw a `java.lang.ArrayIndexOutOfBoundsException`. The issue was that the `fieldWriter` relied on the index from the avro schema before null were filtered out.




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