[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #7003: Docs: Add docs to `RepartitionExec` and architecture guide

Mon, 17 Jul 2023 09:24:04 -0700 


alamb commented on code in PR #7003:
URL: https://github.com/apache/arrow-datafusion/pull/7003#discussion_r1265604749


##########
datafusion/core/src/physical_plan/repartition/mod.rs:
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@@ -239,8 +239,67 @@ impl BatchPartitioner {
     }
 }
 
-/// The repartition operator maps N input partitions to M output partitions 
based on a
-/// partitioning scheme. No guarantees are made about the order of the 
resulting partitions.
+/// Maps `N` input partitions to `M output partitions based on a

Review Comment:
   ![Screenshot 2023-07-17 at 12 21 43 
PM](https://github.com/apache/arrow-datafusion/assets/490673/27d75b8d-490b-42ae-806f-ff7cf2bc2d74)
   



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