iChauster commented on PR #13426:
URL: https://github.com/apache/arrow/pull/13426#issuecomment-1175361521

   > > 
   > 
   > @icexelloss You can find a simple `write` operator example here:
   > 
   > 
https://github.com/apache/arrow/blob/998cca30c70a7e0bbc3f83957923f2e3019b314b/cpp/examples/arrow/execution_plan_documentation_examples.cc#L795
   > 
   > Is this helpful? Let me know I can help out with a better example if 
required.
   
   Thanks for this! Unfortunately I couldn't get my version to compile. I did 
find a workaround though -- I am basically calling `UnifySchema` on our table 
schemas to create our joined table schema, and reading in our batches into a 
table object after the plan executes. I then write the table into a CSV 
directly.


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