Reynold Xin created SPARK-9415:
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Summary: MapType should not support equality & ordering
Key: SPARK-9415
URL: https://issues.apache.org/jira/browse/SPARK-9415
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
Priority: Blocker
MapType today happened to support equality comparison because we use Scala maps
under the hood. However, map type should not support equality, hash, or
ordering (i.e. cannot be used as join keys, grouping keys, or in
equality/ordering tests).
We should throw the appropriate analysis exception for these cases.
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