[ARROW-14029] [R] Repair map_batches()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: R
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29627
• Assignee: Will Jones
• Reporter: Will Jones
• Created: 17/Sep/21 20:16
• Updated: 11/Jan/23 08:37
• Resolved: 07/Jan/22 14:08

Description

The experimental map_batches() function is broken. The one test for it has not been failing only because it calls the min() function which had no binding and thus triggered abandon_ship() to throw a warning and pull the data into R, preempting the error that would have happened later.

Issue Links

• depends upon: ARROW-14008 [R][Compute] ExecPlan_run should return RecordBatchReader instead of Table
• relates to: ARROW-11415 [R] experimental map_batches cannot find columns
• relates to: ARROW-15271 [R] Refactor do_exec_plan to return a RecordBatchReader
• links to: GitHub Pull Request #11894