cloud-fan commented on a change in pull request #32949:
URL: https://github.com/apache/spark/pull/32949#discussion_r666838242
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -2452,9 +2491,16 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef] with
SQLConfHelper with Logg
} else {
values(i).getText
}
+
UTF8String.fromString(" " + v + " " + u)
}
- IntervalUtils.stringToInterval(UTF8String.concat(kvs: _*))
+ val intervalLiteral = UTF8String.concat(kvs: _*)
+ val calendarInterval = IntervalUtils.stringToInterval(intervalLiteral)
+ if (!conf.legacyIntervalEnabled && isYearMonthInterval &&
isDayTimeInterval) {
+ throw
QueryParsingErrors.mixedIntervalUnitsError(intervalLiteral.toString.trim, ctx)
Review comment:
BTW we also check other errors in `parseIntervalLiteral`, which is the
caller side of `visitMultiUnitsInterval`/`visitUnitToUnitInterval`. I think
it's OK to check errors in the caller side if it makes the code simpler.
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