[DRILL-6616] Batch Processing for Lateral/Unnest

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.14.0
• Fix Version/s: 1.15.0
• Component/s: Execution - Relational Operators
• Labels: ready-to-commit
• Assignee: Sorabh Hamirwasia
• Reporter: Sorabh Hamirwasia
• Created: 18/Jul/18 18:48
• Updated: 31/Jul/18 22:48
• Resolved: 31/Jul/18 22:48

Description

Implement the execution and planner side changes for the batch processing done by lateral and unnest. Based on the prototype we found performance to be much better as compared to initial row-by-row execution.

Issue Links

• is part of: DRILL-5999 Add support for LATERAL join
• links to: GitHub Pull Request #1401

Sub-Tasks

• Planner Side changed to propagate $drill_implicit_field$ information: Resolved
• Unnest changes for implicit column: Resolved
• Lateral changes for implicit column: Resolved