[DRILL-6373] Refactor the Result Set Loader to prepare for Union, List support

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.13.0
• Labels: ready-to-commit
• Assignee: Paul Rogers
• Reporter: Paul Rogers
• Reviewer: Padma Penumarthy
• Created: 01/May/18 01:27
• Updated: 03/Aug/18 18:50
• Resolved: 03/Aug/18 18:31

Description

As the next step in merging the "batch sizing" enhancements, refactor the ResultSetLoader and related classes to prepare for Union and List support. This fix follows the refactoring of the column accessors for the same purpose. Actual Union and List support is to follow in a separate PR.

Issue Links

• links to: GitHub Pull Request #1244
• links to: GitHub Pull Request #1244