[HIVE-21156] SharedWorkOptimizer may preserve filter in TS incorrectly

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.2, 3.2.0, 4.0.0-alpha-1
• Component/s: Physical Optimizer
• Target Version/s: 3.1.2, 3.2.0, 4.0.0
• Assignee: Jesús Camacho Rodríguez
• Reporter: Jesús Camacho Rodríguez
• Created: 23/Jan/19 22:27
• Updated: 27/Feb/24 22:24
• Resolved: 25/Jan/19 06:50

Description

For some scan reutilizations, we may end up with a Filter expression associated with the scan that should be removed by the optimizer. This can lead to incorrect results. Repro case is part of the patch.