[ https://issues.apache.org/jira/browse/SPARK-38162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuming Wang reassigned SPARK-38162: ----------------------------------- Assignee: XiDuo You > Optimize one row plan in normal and AQE Optimizer > ------------------------------------------------- > > Key: SPARK-38162 > URL: https://issues.apache.org/jira/browse/SPARK-38162 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 3.3.0 > Reporter: XiDuo You > Assignee: XiDuo You > Priority: Major > Fix For: 3.3.0 > > > Optimize the plan if its max row is equal to or less than 1 in these cases: > - if the child of sort max rows less than or equal to 1, remove the sort > - if the child of local sort max rows per partition less than or equal to 1, > remove the local sort > - if the child of aggregate max rows less than or equal to 1 and it's > grouping only (include the rewritten distinct plan), remove the aggregate > - if the child of aggregate max rows less than or equal to 1, set distinct to > false in all aggregate expression -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org