[ARROW-12647] [Python][Dataset] Consider allowing projecting/scanning with a given schema

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Python
• Labels: dataset datasets
• External issue URL: https://github.com/apache/arrow/issues/28398
• Assignee: Unassigned
• Reporter: David Li
• Created: 04/May/21 12:46
• Updated: 11/Jan/23 08:27

Description

As a follow-up to ARROW-12631, we could add a convenience to project with a schema, which would perform column selection and casting as appropriate.

Issue Links

• relates to: ARROW-12631 [Python] pyarrow.dataset.write_table should accept a Scanner to write