[ARROW-4626] [Flight] Add application metadata field to DoGet

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: FlightRPC, Format
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/21163
• Assignee: David Li
• Reporter: David Li
• Created: 19/Feb/19 13:58
• Updated: 11/Jan/23 07:35
• Resolved: 26/Jun/19 19:21

Description

As proposed on the mailing list, we should add a field for application-specific metadata in DoGet payloads and expose this in the APIs. The current APIs are rather RecordBatch-oriented, though.

Issue Links

• supercedes: ARROW-5143 [Flight] Enable integration testing of batches with dictionaries
• links to: GitHub Pull Request #4282