Liang-Chi Hsieh created SPARK-14593:
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Summary: Make currentVars work with splitExpressions to enable
whole stage codegen for large input columns
Key: SPARK-14593
URL: https://issues.apache.org/jira/browse/SPARK-14593
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Liang-Chi Hsieh
We disable whole stage codegen if the input column number are too large. If we
can make CodeGenContext.currentVars work with CodeGenContext.splitExpressions.
We can enable whole stage codegen for large input columns.
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