[HIVE-17378] CBO: HiveReduceExpressionsWithStatsRule can operate on IS_NULL and IS_NOT_NULL

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: CBO
• Assignee: Zoltan Haindrich
• Reporter: Gopal Vijayaraghavan
• Created: 23/Aug/17 22:19
• Updated: 22/May/18 23:15
• Resolved: 23/Sep/17 05:18

Description

 * Currently we support the simplification of =, >=, <=, >, <, and
 * IN operations.
 */

IS_NULL and IS_NOT_NULL are closely related and can be processed by this rule.

Issue Links

• links to: rb