[FLINK-21361] FlinkRelMdUniqueKeys matches on AbstractCatalogTable instead of CatalogTable

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.12.0, 1.12.1
• Fix Version/s: 1.12.2, 1.13.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: Ingo Bürk
• Reporter: Ingo Bürk
• Created: 11/Feb/21 10:14
• Updated: 11/Feb/21 16:21
• Resolved: 11/Feb/21 16:21

Description

In FlinkRelMdUniqueKeys there's a match on AbstractCatalogTable rather than the underlying interface CatalogTable. This causes exceptions e.g. during temporal table joins when using alternative catalog table implementations.

Issue Links

• links to: GitHub Pull Request #14922