Chao Sun created HIVE-15130:
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Summary: Fixing shifting index issue related to object inspector
caching
Key: HIVE-15130
URL: https://issues.apache.org/jira/browse/HIVE-15130
Project: Hive
Issue Type: Sub-task
Components: Reader
Reporter: Chao Sun
Assignee: Chao Sun
Hive caches object inspector in memory to avoid recreating the same object.
However, in {{ArrayWritableObjectInspector}}, the {{equals}} and {{hashCode}}
doesn't take account on all attributes of the class, therefore, even though the
internal state (e.g., {{adjustedIndex}}) is different, it could still be mapped
to the same result. This could cause wrong field index being used when reading
Parquet data.
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