cloud-fan commented on code in PR #51595:
URL: https://github.com/apache/spark/pull/51595#discussion_r2227271150
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/ParserUtils.scala:
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@@ -316,6 +316,23 @@ class SqlScriptingLabelContext {
beginLabelCtx.map(_.multipartIdentifier().getText).isDefined
}
+ /**
+ * Assert the identifier is not contained within seenLabels.
+ * If the identifier is contained within seenLabels, raise an exception.
+ */
+ private def assertIdentifierNotInSeenLabels(
+ identifierCtx: Option[MultipartIdentifierContext]): Unit = {
Review Comment:
nit: 4 spaces indentation
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