[BEAM-7724] Codegen should cast(null) to a type to match exact function signature

• Type: Improvement
• Status: Resolved
• Priority: P2
• Resolution: Won't Fix
• Fix Version/s: Not applicable
• Component/s: dsl-sql
• Assignee: sridhar Reddy
• Reporter: Rui Wang
• Created: 11/Jul/19 17:25
• Updated: 16/May/20 13:42
• Resolved: 02/Aug/19 19:46

Description

If there are two function signatures for the same function name, when input parameter is null, Janino will throw exception due to vagueness:

A(String)
A(Integer)

Janino does not know how to match A(null).