Yuming Wang created SPARK-28425:
-----------------------------------

             Summary: Add more Date/Time Operators
                 Key: SPARK-28425
                 URL: https://issues.apache.org/jira/browse/SPARK-28425
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Yuming Wang


||Operator||Example||Result||
|{{+}}|{{date '2001-09-28' + interval '1 hour'}}|{{timestamp '2001-09-28 
01:00:00'}}|
|{{-}}|{{date '2001-09-28' - interval '1 hour'}}|{{timestamp '2001-09-27 
23:00:00'}}|
|{{-}}|{{timestamp '2001-09-29 03:00' - timestamp '2001-09-27 
12:00'}}|{{interval '1 day 15:00:00'}}|
|{{*}}|{{900 * interval '1 second'}}|{{interval '00:15:00'}}|
|{{*}}|{{21 * interval '1 day'}}|{{interval '21 days'}}|
|{{*}}|{{double precision '3.5' * interval '1 hour'}}|{{interval '03:30:00'}}|
|{{/}}|{{interval '1 hour' / double precision '1.5'}}|{{interval '00:40:00'}}|



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