Weston Pace created ARROW-15067:
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Summary: [C++] Add OT spans for the scanner
Key: ARROW-15067
URL: https://issues.apache.org/jira/browse/ARROW-15067
Project: Apache Arrow
Issue Type: Sub-task
Components: C++
Reporter: Weston Pace
There should be one span for each "read batch" and one scan for each "read
file". The batch spans should be children of the file span.
If possible it would be nice if the "read file" spans were children of the exec
plan when the scanner is being used as a source node. I'm not sure if this is
doable though since the scanner is often used outside the exec plan.
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