[FLINK-20785] MapRelDataType for legacy planner has wrong digest

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 1.12.0
• Component/s: Table SQL / Legacy Planner
• Labels: auto-deprioritized-major
• Assignee: Unassigned
• Reporter: Danny Chen
• Created: 28/Dec/20 09:31
• Updated: 05/Jul/21 14:02
• Resolved: 05/Jul/21 14:02

Description

In the legacy planner, we create the MapRelDataType ignoring the key and value nullability. If we implements the digest correctly, it would conflict with the logic.

Issue Links

• relates to: FLINK-20704 Some rel data type does not implement the digest correctly