[ARROW-9910] [Rust] [DataFusion] Type coercion of Variadic is wrong

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: Rust, Rust - DataFusion
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17332
• Assignee: Jorge Leitão
• Reporter: Jorge Leitão
• Created: 03/Sep/20 17:56
• Updated: 11/Jan/23 08:09
• Resolved: 07/Sep/20 03:10

Description

Specifically, the case

 

            // common type is u64
            case(
                vec![DataType::UInt32, DataType::UInt64],
                Signature::Variadic(vec![DataType::UInt32, DataType::UInt64]),
                vec![DataType::UInt64, DataType::UInt64],
            )?,

fails.

 

Issue Links

• links to: GitHub Pull Request #8108