cloud-fan commented on a change in pull request #26479: [SPARK-29855][SQL]
typed literals with negative sign with proper result or exception
URL: https://github.com/apache/spark/pull/26479#discussion_r345040238
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -1860,16 +1860,19 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
override def visitTypeConstructor(ctx: TypeConstructorContext): Literal =
withOrigin(ctx) {
val value = string(ctx.STRING)
val valueType = ctx.identifier.getText.toUpperCase(Locale.ROOT)
+ val negativeSign = Option(ctx.negativeSign).map(_.getText).getOrElse("")
+ val isNegative = if (negativeSign == "-") true else false
Review comment:
is it simply `val isNegative = ctx.negativeSign != null`?
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