HyukjinKwon commented on a change in pull request #26573: [SPARK-29926][SQL]
Fix weird interval string whose value end with a dangling decimal point
URL: https://github.com/apache/spark/pull/26573#discussion_r347727854
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/IntervalUtilsSuite.scala
##########
@@ -115,12 +115,12 @@ class IntervalUtilsSuite extends SparkFunSuite {
checkFromInvalidString("2234567890 days", "integer overflow")
checkFromInvalidString("\n", "Error parsing '\n' to interval")
checkFromInvalidString("\t", "Error parsing '\t' to interval")
-
+ checkFromInvalidString("1. seconds", "invalid value '1.'")
+ checkFromInvalidString(". seconds", "invalid value '.'")
}
test("string to interval: seconds with fractional part") {
checkFromString("0.1 seconds", new CalendarInterval(0, 0, 100000))
- checkFromString("1. seconds", new CalendarInterval(0, 0, 1000000))
Review comment:
Will we explicitly disable this case?
```scala
scala> sql("select 0.")
res0: org.apache.spark.sql.DataFrame = [0: decimal(1,0)]
```
At least I know Python, Java, Scala and R support this way as well.
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