[ https://issues.apache.org/jira/browse/SPARK-28645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-28645: ----------------------------------- Assignee: jiaan.geng > Throw an error on window redefinition > ------------------------------------- > > Key: SPARK-28645 > URL: https://issues.apache.org/jira/browse/SPARK-28645 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 3.0.0 > Reporter: Dylan Guedes > Assignee: jiaan.geng > Priority: Major > > Currently in Spark one could redefine a window. For instance: > {code:sql}select count(*) OVER w FROM tenk1 WINDOW w AS (ORDER BY unique1), w > AS (ORDER BY unique1);{code} > The window `w` is defined two times. In PgSQL, on the other hand, a thrown > will happen: > {code:sql}ERROR: window "w" is already defined{code} > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org