Ted-Jiang commented on a change in pull request #1459:
URL: https://github.com/apache/arrow-datafusion/pull/1459#discussion_r771559378
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File path: datafusion/src/physical_plan/repartition.rs
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@@ -326,6 +326,11 @@ impl RepartitionExec {
Partitioning::Hash(exprs, _) => {
let timer = r_metrics.repart_time.timer();
let input_batch = result?;
+ //avoid send empty batch to next plan
+ if input_batch.num_rows() == 0 {
Review comment:
it was my mistake. Thanks a lot for your advice! It's more reasonable
for add check in the generate side 😂
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