yaooqinn commented on a change in pull request #29635:
URL: https://github.com/apache/spark/pull/29635#discussion_r483040796
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/IntervalUtilsSuite.scala
##########
@@ -77,6 +77,19 @@ class IntervalUtilsSuite extends SparkFunSuite with
SQLHelper {
}
}
+ test("string to interval: interval with dangling parts should not results
null") {
+ checkFromInvalidString("+", "dangling interval value sign '+'")
+ checkFromInvalidString("-", "dangling interval value sign '-'")
+ checkFromInvalidString("+ 2", "dangling interval value '2'")
+ checkFromInvalidString("- 1", "dangling interval value '1'")
+ checkFromInvalidString("1", "dangling interval value '1'")
Review comment:
done, but looks a bit weird for `interval '-.'` to expect a unit name
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