[IMPALA-1451] Region with empty row in HBase triggers NPE in Frontend during Planning

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.0
• Fix Version/s: Impala 2.1
• Assignee: Martin Grund
• Reporter: Martin Grund
• Created: 05/Nov/14 17:50
• Updated: 07/Nov/14 15:44
• Resolved: 07/Nov/14 15:44

Description

There is the case that during the row count estimation during planning, we execute a scan that returns a non-null result, but accessing the Cells of this fails.

This is can be the case when, the projected cells do not exist or become unavailable during the process.