Reynold Xin created SPARK-12771:
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Summary: Improve code generation for CaseWhen
Key: SPARK-12771
URL: https://issues.apache.org/jira/browse/SPARK-12771
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
The generated code for CaseWhen uses a control variable "got" to make sure we
do not evaluate more branches once a branch is true. Changing that to generate
just simple "if / else" would be slightly more efficient.
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