[DRILL-6645] Transform TopN in Lateral Unnest pipeline to Sort and Limit.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.14.0
• Fix Version/s: 1.15.0
• Component/s: Query Planning & Optimization
• Labels: ready-to-commit
• Assignee: Hanumath Rao Maduri
• Reporter: Hanumath Rao Maduri
• Reviewer: Gautam Parai
• Created: 27/Jul/18 21:36
• Updated: 04/Aug/18 01:02
• Resolved: 04/Aug/18 01:02

Description

TopN operator is not supported in Lateral Unnest pipeline. Hence transform the TopN to use Sort and Limit.

Issue Links

• is depended upon by: DRILL-5999 Add support for LATERAL join
• links to: GitHub Pull Request #1417