Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/22017#discussion_r208181653
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/HigherOrderFunctionsSuite.scala
---
@@ -44,6 +44,21 @@ class HigherOrderFunctionsSuite extends SparkFunSuite
with ExpressionEvalHelper
LambdaFunction(function, Seq(lv1, lv2))
}
+ private def createLambda(
+ dt1: DataType,
+ nullable1: Boolean,
+ dt2: DataType,
+ nullable2: Boolean,
+ dt3: DataType,
+ nullable3: Boolean,
+ f: (Expression, Expression, Expression) => Expression): Expression = {
--- End diff --
nit: indent
---
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