[DRILL-6618] Unnest changes for implicit column

• Type: Sub-task
• 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: Parth Chandra
• Reporter: Sorabh Hamirwasia
• Reviewer: Sorabh Hamirwasia
• Created: 18/Jul/18 18:49
• Updated: 31/Jul/18 22:49
• Resolved: 31/Jul/18 22:49

Description

1) Update unnest to work on entire left incoming instead of row by row processing.
2) Update unnest to generate an implicit field (name passed in PopConfig) with rowId of each output row being generated. The type of implicit field will be IntVector.
3) Fix all existing unit tests

Issue Links

• links to: GitHub Pull Request #1401