andygrove commented on a change in pull request #8709:
URL: https://github.com/apache/arrow/pull/8709#discussion_r526856756
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File path: rust/datafusion/src/physical_plan/mod.rs
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@@ -89,6 +89,8 @@ pub trait ExecutionPlan: Debug + Send + Sync {
pub enum Partitioning {
/// Unknown partitioning scheme
UnknownPartitioning(usize),
+ /// parts hashed by columns and `N` partitions
+ HashPartitioning(Vec<String>, usize),
Review comment:
It makes sense for us to add a `HashPartitioning` variant here, but this
isn't required for implementing the hash join operator since we aren't changing
partitioning.
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