[HIVE-3987] Update PTF invocation and windowing grammar

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Component/s: PTF-Windowing
• Assignee: Ashutosh Chauhan
• Reporter: Harish Butani
• Created: 05/Feb/13 02:33
• Updated: 16/May/13 21:10
• Resolved: 02/Mar/13 20:14

Description

Changes to grammar to make it more Standards based:

• support Partition & Order style along with Hive specific Distribute/Cluster and Sort in windowing specification.
• PTF args should come after Input details like in Aster.
• tbd: do we need to support named parameters.

Issue Links

• is required by: HIVE-896 Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
• requires: HIVE-4048 Allow partition by/order by in partitioning spec in over clause and partition function