Yijie Shen created SPARK-9938:
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Summary: Constant folding in binaryComparison
Key: SPARK-9938
URL: https://issues.apache.org/jira/browse/SPARK-9938
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Yijie Shen
When we are comparing a int column with long literal, a < Int.MaxValue.toLong +
1L as a example, the analyzed plan would be LessThan(Cast(a, LongType),
Literal).
The result of predicate is determined and we could fold this at optimization
phase.
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