[FLINK-13296] FunctionCatalog.lookupFunction() should check in memory functions if the target function doesn't exist in catalog

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.0, 1.10.0
• Fix Version/s: 1.9.0
• Component/s: Table SQL / API
• Labels: pull-request-available
• Assignee: Bowen Li
• Reporter: Bowen Li
• Created: 16/Jul/19 17:58
• Updated: 01/Aug/19 10:57
• Resolved: 17/Jul/19 21:17

Description

Currently the logic to lookup a function is check either the catalog or the in memory function. But the correct logic is to 1st check the catalog, and if the function doesn't exist there, check in memory functions. There should be a resolution order.

This is root cause of FLINK-13294

Issue Links

• links to: GitHub Pull Request #9135