Weston Pace created ARROW-16525:
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Summary: [C++] Tee node not properly marking node finished
Key: ARROW-16525
URL: https://issues.apache.org/jira/browse/ARROW-16525
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Weston Pace
Assignee: Weston Pace
The tee node was not properly marking the node finished. It needs to call End
on the dataset writer and wait for all files to close and then call end on the
task group and wait for all tasks to wrap up.
We also need to add tests for the TeeNode as well as a standalone test for the
WriteNode.
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