yaooqinn commented on a change in pull request #26491: [SPARK-29870][SQL] Unify
the logic of multi-units interval string to CalendarInterval
URL: https://github.com/apache/spark/pull/26491#discussion_r346690471
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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@@ -598,26 +531,26 @@ object IntervalUtils {
} else if (s.matchAt(microsStr, i)) {
microseconds = Math.addExact(microseconds, currentValue)
i += microsStr.numBytes()
- } else return null
- case _ => return null
+ } else throwIAE(s"invalid unit '$nextWord'")
+ case _ => throwIAE(s"invalid unit '$nextWord'")
}
} catch {
- case _: ArithmeticException => return null
+ case e: ArithmeticException => throwIAE(e.getMessage, e)
}
state = UNIT_SUFFIX
case UNIT_SUFFIX =>
b match {
case 's' => state = UNIT_END
case ' ' => state = TRIM_BEFORE_SIGN
- case _ => return null
+ case _ => throwIAE(s"invalid unit suffix '$nextWord'")
Review comment:
or we change the logic of unit parsing we can extract the whole part like
`case _ if b>= 'A' $$ b<= 'z' => unit = s.substring(i,
s.numBytes()).subStringIndex(UTF8String.blankString(1), 1)` than do `unit` case
matching and error capture.
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