[DRILL-4262] add support for ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.6.0
• Component/s: Execution - Relational Operators
• Assignee: Abdel Hakim Deneche
• Reporter: Abdel Hakim Deneche
• Reviewer: Khurram Faraaz
• Created: 11/Jan/16 21:19
• Updated: 12/Apr/16 18:26
• Resolved: 22/Feb/16 20:24

Description

RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW is already supported as the default frame when an ORDER clause is present in the window definition.

We need to add support for ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW