add uts

Author: yaooqinn

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala

@@ -447,7 +447,7 @@ object IntervalUtils {
               i += 1
               fractionScale = (NANOS_PER_SECOND / 10).toInt
               state = VALUE_FRACTIONAL_PART
-            case _ => exceptionWithState( s"Unrecognized sign '$nextWord'")
+            case _ => exceptionWithState( s"unrecognized sign '$nextWord'")
           }
         case TRIM_BEFORE_VALUE => trimToNextState(b, VALUE)
         case VALUE =>
@@ -456,8 +456,7 @@ object IntervalUtils {
               try {
                 currentValue = Math.addExact(Math.multiplyExact(10, currentValue), (b - '0'))
               } catch {
-                case _: ArithmeticException =>
-                  exceptionWithState(s"'$currentValue$nextWord' out of range")
+                case e: ArithmeticException => exceptionWithState(e.getMessage, e)
               }
             case ' ' => state = TRIM_BEFORE_UNIT
             case '.' =>
@@ -474,7 +473,9 @@ object IntervalUtils {
             case ' ' =>
               fraction /= NANOS_PER_MICROS.toInt
               state = TRIM_BEFORE_UNIT
-            case _ => exceptionWithState(s"invalid value fractional part '$fraction$nextWord'")
+            case _ if '0' <= b && b <= '9' =>
+              exceptionWithState(s"invalid value fractional part '$fraction$nextWord' out of range")
+            case _ => exceptionWithState(s"invalid value fractional part '$nextWord'")
           }
           i += 1
         case TRIM_BEFORE_UNIT => trimToNextState(b, UNIT_BEGIN)

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/IntervalUtilsSuite.scala

@@ -95,6 +95,14 @@ class IntervalUtilsSuite extends SparkFunSuite {
     // Only the seconds units can have the fractional part
     checkFromInvalidString("1.5 days", "'days' with fractional part is unsupported")
     checkFromInvalidString("1. hour", "'hour' with fractional part is unsupported")
+    checkFromInvalidString("1 hourX", "invalid unit suffix")
+    checkFromInvalidString("~1 hour", "unrecognized sign")
+    checkFromInvalidString("1 Mour", "invalid unit 'mour'")
+    checkFromInvalidString("1 aour", "invalid unit 'aour'")
+    checkFromInvalidString("1a1 hour", "invalid value 'a1'")
+    checkFromInvalidString("1.1a1 seconds", "invalid value fractional part 'a1'")
+    checkFromInvalidString("2234567890 days", "integer overflow")
+
   }
 
   test("string to interval: seconds with fractional part") {
@@ -106,7 +114,8 @@ class IntervalUtilsSuite extends SparkFunSuite {
     checkFromString("-1.5 seconds", new CalendarInterval(0, 0, -1500000))
     // truncate nanoseconds to microseconds
     checkFromString("0.999999999 seconds", new CalendarInterval(0, 0, 999999))
-    checkFromInvalidString("0.123456789123 seconds", "invalid value fractional part '123456789123'")
+    checkFromString(".999999999 seconds", new CalendarInterval(0, 0, 999999))
+    checkFromInvalidString("0.123456789123 seconds", "'123456789123' out of range")
   }
 
   test("from year-month string") {