Liang-Chi Hsieh created SPARK-27288:
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Summary: Pruning nested field in complex map key from object
serializers
Key: SPARK-27288
URL: https://issues.apache.org/jira/browse/SPARK-27288
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Liang-Chi Hsieh
In SPARK-26847, pruning nested field in complex map key was not supported,
because some methods in schema pruning did't support it at that moment. Now as
those methods support it, we can prune nested field in complex map key.
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