Peng-Lei opened a new pull request #32999:
URL: https://github.com/apache/spark/pull/32999


   What changes were proposed in this pull request?
   Change the return value type from DayTimeIntervalType(DAY, SECOND) to 
DayTimeIntervalType(DAY, DAY) of SubtractDates
   DayTimeIntervalType(DAY, DAY) means that number of microseconds can be 
divisible by MICROS_PER_DAY
   DateTime + DayTimeIntervalType(DAY, DAY), It will not convert DateTime to 
TimestampType, It will use DateTime - DateTime, then convert the result to 
DateTime. It is same with DayTimeIntervalType(DAY, DAY) + DateTime.
   DateTime - DayTimeIntervalType(DAY, DAY), It will not convert DateTime to 
TimestampType, It will use DateTime - DateTime, then convert the result to 
DateTime, It will not convert DateTime to TimestampType, It will use DateTime - 
DateTime, then convert the result to DateTime.
   Why are the changes needed?
   https://issues.apache.org/jira/browse/SPARK-35727
   
   Does this PR introduce any user-facing change?
   no
   
   How was this patch tested?
   existed ut test


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to