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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/12/22 17:05:35 UTC

[GitHub] [arrow] andygrove commented on a change in pull request #8982: ARROW-10582: [Rust] [DataFusion] Implement "repartition" operator [WIP]

andygrove commented on a change in pull request #8982:
URL: https://github.com/apache/arrow/pull/8982#discussion_r547393470



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File path: rust/datafusion/src/physical_plan/mod.rs
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@@ -107,6 +107,13 @@ pub async fn collect(plan: Arc<dyn ExecutionPlan>) -> Result<Vec<RecordBatch>> {
 /// Partitioning schemes supported by operators.
 #[derive(Debug, Clone)]
 pub enum Partitioning {
+    /// Allocate batches using a round-robin algorithm
+    RoundRobinBatch(usize),
+    /// Allocate rows using a round-robin algorithm. This provides finer-grained partitioning
+    /// than `RoundRobinBatch` but also has much more overhead.
+    RoundRobinRow(usize),

Review comment:
       Thanks. That makes sense and I have removed `RoundRobinRow` now.




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