[CALCITE-600] Use SetOpFactory in rules containing Union operator

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.0-incubating
• Assignee: Jesús Camacho Rodríguez
• Reporter: Jesús Camacho Rodríguez
• Created: 18/Feb/15 14:02
• Updated: 27/Feb/24 22:24
• Resolved: 20/Feb/15 10:13

Description

Union related rules match on LogicalUnion and use this implementation to create the new Union operators. As it is done for other rules, a Union factory can be created and used by them, so subclasses that extend Union can use the rules.