[IMPALA-2526] Get the right 'NumColumns' in the parquet scanner

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.2.3
• Fix Version/s: Impala 2.5.0
• Labels: impala
• Assignee: Sailesh Mukil
• Reporter: Sailesh Mukil
• Created: 09/Oct/15 21:45
• Updated: 20/Dec/15 00:05
• Resolved: 13/Nov/15 21:19

Description

The NumColumns counter that shows up in the runtime profile is only used as a part of the parquet scanner and is calculated wrong when the impalad is assigned more than one split.