Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19324#discussion_r141038684
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/basicPhysicalOperators.scala
---
@@ -201,11 +201,14 @@ case class FilterExec(condition: Expression, child:
SparkPlan)
ev
}
+ // Note: wrap in "do { } while(false);", so the generated checks can
jump out with "continue;"
--- End diff --
ah i see, you are trying to avoid generating deeply nested if-else branches.
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