[ARROW-9783] [Rust] [DataFusion] Logical aggregate expressions require explicit data type

• Type: Bug
• 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/25831
• Assignee: Andy Grove
• Reporter: Andy Grove
• Created: 18/Aug/20 13:27
• Updated: 11/Jan/23 08:09
• Resolved: 18/Aug/20 14:08

Description

When constructing a logical plan either directly or via the DataFrame API, it is not possible to construct an aggregate expression without providing a data type. This makes no sense because the aggregate functions need to determine their own data type.

Issue Links

• links to: GitHub Pull Request #7988