Github user marmbrus commented on a diff in the pull request: https://github.com/apache/spark/pull/6876#discussion_r32786925 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/ExpressionEvalHelper.scala --- @@ -55,7 +55,7 @@ trait ExpressionEvalHelper { val actual = try evaluate(expression, inputRow) catch { case e: Exception => fail(s"Exception evaluating $expression", e) } - if (actual != expected) { + if (actual !== expected) { --- End diff -- What are the semantics of `!==`? This is new to me.
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