cloud-fan commented on a change in pull request #30807:
URL: https://github.com/apache/spark/pull/30807#discussion_r549609445
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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@@ -1195,27 +1208,46 @@ case class NextDay(startDate: Expression, dayOfWeek:
Expression)
nullSafeCodeGen(ctx, ev, (sd, dowS) => {
val dateTimeUtilClass = DateTimeUtils.getClass.getName.stripSuffix("$")
val dayOfWeekTerm = ctx.freshName("dayOfWeek")
+ val failOnErrorTerm = ctx.freshName("failOnError")
if (dayOfWeek.foldable) {
val input = dayOfWeek.eval().asInstanceOf[UTF8String]
- if ((input eq null) || DateTimeUtils.getDayOfWeekFromString(input) ==
-1) {
+ if (input eq null) {
+ s"""${ev.isNull} = true;"""
+ } else if (DateTimeUtils.getDayOfWeekFromString(input) == -1) {
+ val errMsg = input.replace(
+ UTF8String.fromString("""""""), UTF8String.fromString("""\""""))
s"""
- |${ev.isNull} = true;
- """.stripMargin
+ |boolean $failOnErrorTerm = $failOnError;
+ |if ($failOnErrorTerm) {
Review comment:
can we follow other expressions? We don't need to generate `if-else` in
the code, as we know the value of `failOnError` before generating the code.
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