[CALCITE-2840] RexNode simplification logic should use more specific UnknownAs modes

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.19.0
• Labels: pull-request-available
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 12/Feb/19 12:32
• Updated: 25/Mar/19 00:11
• Resolved: 21/Feb/19 05:30

Description

Some parts of this was already working in 1.17 ; but 1.18 turned out to be a more conservative in this sense.

Issue Links

• links to: GitHub Pull Request #1045