xudong963 commented on a change in pull request #1730:
URL: https://github.com/apache/arrow-datafusion/pull/1730#discussion_r798560150
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File path: datafusion/src/physical_plan/hash_join.rs
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@@ -333,8 +334,10 @@ impl ExecutionPlan for HashJoinExec {
concat_batches(&self.left.schema(), &batches,
num_rows)?;
let left_side = Arc::new((hashmap, single_batch));
-
- *build_side = Some(left_side.clone());
+ {
Review comment:
I doubt myself a little bit, I need to do more perf and bench to verify.
🤣
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