Lianhui Wang created SPARK-15649:
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Summary: avoid to serialize MetastoreRelation in HiveTableScanExec
Key: SPARK-15649
URL: https://issues.apache.org/jira/browse/SPARK-15649
Project: Spark
Issue Type: Improvement
Reporter: Lianhui Wang
Priority: Minor
in HiveTableScanExec, schema is lazy and is related with relation.attributeMap.
So it needs to serialize MetastoreRelation when serializing task binary
bytes.It can avoid to serialize MetastoreRelation.
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