[ARROW-8784] [Rust] [DataFusion] Remove use of Arc from LogicalPlan

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: Rust, Rust - DataFusion
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/24930
• Assignee: Andy Grove
• Reporter: Andy Grove
• Created: 13/May/20 13:17
• Updated: 11/Jan/23 08:02
• Resolved: 14/May/20 22:35

Description

The reason that the LogicalPlan currently uses Arc rather than Box is to support the ability to pass the logical plan between threads.

I am no longer sure that this is a requirement, and if it is, then it would perhaps be better to serialize the plan to JSON using the serde crate.

Issue Links

• links to: GitHub Pull Request #7167