Github user gengliangwang commented on a diff in the pull request: https://github.com/apache/spark/pull/22814#discussion_r227755767 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/ExpressionEvalHelper.scala --- @@ -60,9 +60,11 @@ trait ExpressionEvalHelper extends GeneratorDrivenPropertyChecks with PlanTestBa def expr = prepareEvaluation(expression) val catalystValue = CatalystTypeConverters.convertToCatalyst(expected) checkEvaluationWithoutCodegen(expr, catalystValue, inputRow) - checkEvaluationWithMutableProjection(expr, catalystValue, inputRow) - if (GenerateUnsafeProjection.canSupport(expr.dataType)) { - checkEvaluationWithUnsafeProjection(expr, catalystValue, inputRow) + if (expected != null) { --- End diff -- Need to figure out why the unsafe project failed.
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