[ARROW-12287] [C++] Create enumerating generator

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/28093
• Assignee: Weston Pace
• Reporter: Weston Pace
• Created: 08/Apr/21 01:13
• Updated: 11/Jan/23 08:25
• Resolved: 14/Apr/21 12:30

Description

With parallel readahead items may get returned out of order.  An enumerating future can be used to tag items prior to the parallel readahead so that they can later be reassembled.

Issue Links

• links to: GitHub Pull Request #9945