[ARROW-4947] [Flight][C++/Python] Remove redundant schema parameter in DoGet

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: C++, FlightRPC, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/21454
• Assignee: David Li
• Reporter: David Li
• Created: 18/Mar/19 13:09
• Updated: 11/Jan/23 07:37
• Resolved: 20/Mar/19 02:14

Description

Now that the Flight implementations are consistent and DoGet streams are self-describing, we should remove the schema parameter to DoGet in C++/Python, as it isn't actually used anywhere. We should also enforce that the first message in the stream is the schema (Java implicitly does this already).

Issue Links

• links to: GitHub Pull Request #3958