yaooqinn commented on a change in pull request #32176:
URL: https://github.com/apache/spark/pull/32176#discussion_r614096789
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -2306,12 +2307,24 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef]
with SQLConfHelper with Logg
}
/**
- * Create a [[CalendarInterval]] literal expression. Two syntaxes are
supported:
+ * Create a [[CalendarInterval]] or ANSI interval literal expression.
+ * Two syntaxes are supported:
* - multiple unit value pairs, for instance: interval 2 months 2 days.
* - from-to unit, for instance: interval '1-2' year to month.
*/
override def visitInterval(ctx: IntervalContext): Literal = withOrigin(ctx) {
- Literal(parseIntervalLiteral(ctx), CalendarIntervalType)
+ val parsedInterval = parseIntervalLiteral(ctx)
+ if (SQLConf.get.legacyIntervalEnabled) {
Review comment:
nit: `conf.legacyIntervalEnabled`
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