[HIVE-10963] Hive throws NPE rather than meaningful error message when window is missing

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 2.0.0
• Component/s: PTF-Windowing
• Assignee: Aihua Xu
• Reporter: Aihua Xu
• Created: 08/Jun/15 16:56
• Updated: 16/Feb/16 23:53
• Resolved: 10/Jun/15 07:14

Description

select sum(salary) over w1 from emp; throws NPE rather than meaningful error message like "missing window".

And also give the right window name rather than the classname in the error message after NPE issue is fixed.

org.apache.hadoop.hive.ql.parse.SemanticException: Window Spec org.apache.hadoop.hive.ql.parse.WindowingSpec$WindowSpec@7954e1de refers to an unknown source

Issue Links

• links to: code review