[DRILL-8181] Accept nullable args in HTTP plugin UDFs, fix HikariCP default parm names

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.20.0
• Fix Version/s: 1.21.0
• Component/s: Storage - JDBC, Storage - Other
• Assignee: James Turton
• Reporter: James Turton
• Created: 29/Mar/22 11:46
• Updated: 23/Apr/22 05:54
• Resolved: 23/Apr/22 05:54

Description

Accept nullable parameter types in the UDFs in the HTTP storage plugin returning an empty MAP when a null argument is present.

When default HikariCP pool parameters are set in the JDBC storage plugin, the parameter names are incorrectly prefixed with "dataSource.".  Remove this.