441d4c953e
### What changes were proposed in this pull request?
I propose 2 new methods for `CalendarInterval`:
- `extractAsPeriod()` returns the date part of an interval as an instance of `java.time.Period`
- `extractAsDuration()` returns the time part of an interval as an instance of `java.time.Duration`
For example:
```scala
scala> import org.apache.spark.unsafe.types.CalendarInterval
scala> import java.time._
scala> val i = spark.sql("select interval 1 year 3 months 4 days 10 hours 30 seconds").collect()(0).getAs[CalendarInterval](0)
scala> LocalDate.of(2019, 11, 1).plus(i.period())
res8: java.time.LocalDate = 2021-02-05
scala> ZonedDateTime.parse("2019-11-01T12:13:14Z").plus(i.extractAsPeriod()).plus(i.extractAsDuration())
res9: java.time.ZonedDateTime = 2021-02-05T22:13:44Z
```
### Why are the changes needed?
Taking into account that `CalendarInterval` has been already partially exposed to users via the collect operation, and probably it will be fully exposed in the future, it could be convenient for users to get the date and time parts of intervals as java classes:
- to avoid unnecessary dependency from Spark's classes in user code
- to easily use external libraries that accept standard Java classes.
### Does this PR introduce any user-facing change?
No
### How was this patch tested?
By new test in `CalendarIntervalSuite`.
Closes #26368 from MaxGekk/interval-java-period-duration.
Authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
|
||
|---|---|---|
| .. | ||
| src | ||
| pom.xml | ||