[KYLIN-3379] timestampadd bug fix and add test

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: v2.3.1
• Fix Version/s: v2.5.0
• Assignee: Jiatao Tao
• Reporter: Hongbin Ma
• Created: 13/May/18 03:00
• Updated: 17/Sep/18 00:59
• Resolved: 08/Aug/18 05:56

Description

complex cases like 

timestampadd(MONTH,23,test_kylin_fact.cal_dt) or 

timestampadd(MONTH,-23,test_kylin_fact.cal_dt) is not covered. 

 

And my tests shows this kind of queries will fail IT. 

Issue Links

• links to: GitHub Pull Request #188