Reynold Xin created SPARK-12769:
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Summary: Remove If expression
Key: SPARK-12769
URL: https://issues.apache.org/jira/browse/SPARK-12769
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
If can be a simple factory method for CaseWhen. We can then simplify the
optimizer rules we implement for conditional expressions.
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