[DRILL-4083] Drill not using HiveDrillNativeParquetScan if no column is needed to be read from HIVE

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Component/s: Storage - Hive
• Assignee: Sean Hsuan-Yi Chu
• Reporter: Sean Hsuan-Yi Chu
• Reviewer: Krystal
• Created: 13/Nov/15 00:02
• Updated: 14/Dec/15 16:17
• Resolved: 14/Nov/15 01:41

Description

For example, for a query such as:

Select count(*) from hive.parquetTable

would not use HiveDrillNativeParquetScan. However, the following query will use:

Select count(*) from hive.parquetTable where column > 0

Ideally, both should use the same HiveDrillNativeParquetScan