Reynold Xin created SPARK-9336:
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Summary: Remove all extra JoinedRows
Key: SPARK-9336
URL: https://issues.apache.org/jira/browse/SPARK-9336
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Reynold Xin
Assignee: Reynold Xin
They were added to improve performance (so JIT can inline the JoinedRow calls).
However, we can also just improve it by projecting output out to UnsafeRow in
Tungsten variant of the operators.
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