Peng-Lei commented on a change in pull request #34494:
URL: https://github.com/apache/spark/pull/34494#discussion_r751040338
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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@@ -1253,4 +1255,120 @@ object IntervalUtils {
}
intervalString
}
+
+ def intToYearMonthInterval(v: Int, endField: Byte): Int = {
+ endField match {
+ case YEAR =>
+ try {
+ Math.multiplyExact(v, MONTHS_PER_YEAR)
+ } catch {
+ case _: ArithmeticException =>
+ throw QueryExecutionErrors.castingCauseOverflowError(v,
YM(endField).catalogString)
+ }
+ case MONTH => v
+ }
+ }
+
+ def longToYearMonthInterval(v: Long, endField: Byte): Int = {
+ val vInt = v.toInt
+ if (v != vInt) {
+ throw QueryExecutionErrors.castingCauseOverflowError(v,
YM(endField).catalogString)
+ }
+ intToYearMonthInterval(vInt, endField)
+ }
+
+ def yearMonthIntervalToInt(v: Int, startField: Byte, endField: Byte): Int = {
Review comment:
Here, startField is not used. but in order to unify code in codegen
`$evPrim = $util.yearMonthIntervalTo$integralType($c, (byte)$startField,
(byte)$endField);`.
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