LuciferYang commented on code in PR #50494: URL: https://github.com/apache/spark/pull/50494#discussion_r2028512692
########## sql/core/src/test/scala/org/apache/spark/sql/DatasetOptimizationSuite.scala: ########## @@ -45,9 +46,9 @@ class DatasetOptimizationSuite extends QueryTest with SharedSparkSession { // serializers. The first `structFields` is aligned with first serializer and ditto // for other `structFields`. private def testSerializer(df: DataFrame, structFields: Seq[Seq[String]]*): Unit = { - val serializer = df.queryExecution.optimizedPlan.collect { + val serializer = df.queryExecution.optimizedPlan.collectFirst { case s: SerializeFromObject => s - }.head + }.get Review Comment: Just like in the previous case, I suggest changing it to ``` val serializerOpt = df.queryExecution.optimizedPlan.collectFirst { case s: SerializeFromObject => s } assert(serializerOpt.isDefined) val serializer = serializerOpt.get ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org