[DRILL-6578] Ensure the Flat Parquet Reader can handle query cancellation

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.14.0
• Component/s: Storage - Parquet
• Labels: ready-to-commit
• Assignee: Salim Achouche
• Reporter: Salim Achouche
• Reviewer: Vlad Rozov
• Created: 03/Jul/18 02:11
• Updated: 13/Jul/18 03:45
• Resolved: 13/Jul/18 03:45

Description

• The optimized Parquet reader uses an iterator style to load column data 
• We need to ensure the code can properly handle query cancellation even in the presence of bugs within the hasNext() .. next() calls

Issue Links

• links to: GitHub Pull Request #1360