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Sean R. Owen resolved SPARK-37567. ---------------------------------- Resolution: Not A Problem > reuse Exchange failed > ---------------------- > > Key: SPARK-37567 > URL: https://issues.apache.org/jira/browse/SPARK-37567 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.1.1 > Reporter: junbiao chen > Priority: Major > Labels: bugfix, performance, pull-request-available > Attachments: execution stage(1)-query2.png, execution > stage-query2.png, physical plan-query2.png > > > PR available:https://github.com/apache/spark/pull/34858 > use case:query2 in TPC-DS.There are three exchange subquery will scan the > same table "store_sales" in logical plan,these subqueries meet exchange reuse > rule.I confirm that the exchange use rule work in physical plan.But when > spark execute the physical plan,I find out > exchange reuse failed,reused exchange has been executed twice. > physical plan: > !physical plan-query2.png! > > execution stages: > !execution stage-query2.png! > > !execution stage(1)-query2.png! -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org