[HAWQ-1431] Do not use StatsAccessor when column specified in SELECT clause

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3.0.0-incubating
• Component/s: PXF
• Assignee: Oleksandr Diachenko
• Reporter: Oleksandr Diachenko
• Created: 12/Apr/17 22:44
• Updated: 08/May/17 23:00
• Resolved: 14/Apr/17 00:03

Description

StatsAccessor should be used only for queries like COUNT and not COUNT(column) because we use file-level statistics, which has a total number of rows, not just number of not-null values.

Issue Links

• links to: GitHub Pull Request #1218