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[SPARK-30547][SQL][FOLLOWUP] Update since anotation for CalendarInterval class

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### What changes were proposed in this pull request?
Mark `CalendarInterval` class with `since 3.0.0`.
### Why are the changes needed?

https://www.oracle.com/technetwork/java/javase/documentation/index-137868.html#since

This class is the first time going to the public, the annotation is the first time to add, and we don't want people to get confused and try to use it 2.4.x.

### Does this PR introduce any user-facing change?

no

### How was this patch tested?

no

Closes #27299 from yaooqinn/SPARK-30547-F.

Authored-by: Kent Yao <yaooqinn@hotmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
This commit is contained in:
Kent Yao 2020-01-21 20:35:47 +08:00 committed by Wenchen Fan
parent e170422f74
commit 730388b369
1 changed files with 1 additions and 1 deletions
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2
common/unsafe/src/main/java/org/apache/spark/unsafe/types/CalendarInterval.java
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@ -41,7 +41,7 @@ import static org.apache.spark.sql.catalyst.util.DateTimeConstants.*;
* they are two separated fields from microseconds. One month may be equal to 28, 29, 30 or 31 days
* and one day may be equal to 23, 24 or 25 hours (daylight saving).
*
* @since 1.5.0
* @since 3.0.0
*/
@Unstable
public final class CalendarInterval implements Serializable {