Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19901#discussion_r155132177
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionalExpressions.scala
---
@@ -240,31 +239,35 @@ case class CaseWhen(
val codes = ctx.splitExpressionsWithCurrentInputs(
expressions = allConditions,
funcName = "caseWhen",
- returnType = ctx.JAVA_BOOLEAN,
- makeSplitFunction = func =>
- s"""
- |${ctx.JAVA_BOOLEAN} $conditionMet = false;
- |do {
- | $func
- |} while (false);
- |return $conditionMet;
- """.stripMargin,
--- End diff --
this multiline style is now the preferred one.
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