[HIVE-4575] In place filtering in Not Filter doesn't handle nulls correctly.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Later
• Assignee: Jitendra Nath Pandey
• Reporter: Jitendra Nath Pandey
• Created: 17/May/13 18:16
• Updated: 30/Aug/13 17:21
• Resolved: 30/Aug/13 17:21

Description

The FilterNotExpr evaluates the child expression and takes the compliment of the selected vector. Since child expression filters out null values, the compliment includes the nulls in the output. This is incorrect because not(null) = null.