[CALCITE-4304] Make org.apache.calcite.jdbc.JavaTypeFactoryImpl#getJavaClass non-nullable

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.25.0
• Fix Version/s: 1.27.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Vladimir Sitnikov
• Created: 03/Oct/20 15:19
• Updated: 03/Jun/21 22:31
• Resolved: 29/Nov/20 22:57

Description

The current implementation returns null as the last resort, however, it is not clear what that means.

For instance CURSOR type (e.g. org.apache.calcite.test.TableFunctionTest#testMultipleScannableTableFunctionWithNamedParameters ) results in getJavaClass -> null

Issue Links

• links to: GitHub Pull Request #2196