Davies Liu created SPARK-10990:
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Summary: Avoid the serialization multiple times during unrolling
of complex types
Key: SPARK-10990
URL: https://issues.apache.org/jira/browse/SPARK-10990
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Davies Liu
Assignee: Davies Liu
The serialize() will be called by actualSize() and append(), we should use
UnsafeProjection before unrolling,
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