[ARROW-8559] [Rust] Consolidate Record Batch reader traits in main arrow crate

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: Rust
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/24726
• Assignee: Paddy Horan
• Reporter: Paddy Horan
• Created: 22/Apr/20 20:02
• Updated: 11/Jan/23 08:01
• Resolved: 12/Jul/20 19:55

Description

We have the `BatchIterator` trait in DataFusion and the `RecordBatchReader` trait in the main arrow crate.

They differ in that `BatchIterator` is Send + Sync.  They should both be in the Arrow crate and be named `BatchIterator` and `SendableBatchIterator`

Issue Links

• duplicates: ARROW-9386 [Rust] RecordBatch.schema() should not return &Arc<Schema>
• links to: GitHub Pull Request #7666