Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/15901#discussion_r88684544 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala --- @@ -164,23 +233,20 @@ case class Invoke( """ } - val setIsNull = if (propagateNull && arguments.nonEmpty) { - s"boolean ${ev.isNull} = ${obj.isNull} || ${argGen.map(_.isNull).mkString(" || ")};" - } else { - s"boolean ${ev.isNull} = ${obj.isNull};" - } - // If the function can return null, we do an extra check to make sure our null bit is still set // correctly. val postNullCheck = if (ctx.defaultValue(dataType) == "null") { s"${ev.isNull} = ${ev.value} == null;" } else { "" } + val code = s""" ${obj.code} - ${argGen.map(_.code).mkString("\n")} - $setIsNull + if (!${obj.isNull}) { + $argCode + } + boolean ${ev.isNull} = ${obj.isNull} || $resultIsNull; --- End diff -- I see. Let's see if it exceeds the limit or not, using local variables.
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