[SPARK-7972] When parse window spec frame, we need to do case insensitive matches.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: SQL
• Assignee: Yin Huai
• Reporter: Yin Huai
• Created: 30/May/15 23:32
• Updated: 02/Jun/15 04:43
• Resolved: 02/Jun/15 04:43

Description

For window frame, PRECEDING, FOLLOWING, and CURRENT ROW do not have pre-defined tokens. So, Hive Parser returns the user input directly (e.g. preCeDING). We need to do case insensitive matches in HiveQl.scala..

Issue Links

• links to: [Github] Pull Request #6524 (yhuai)