[ https://issues.apache.org/jira/browse/SPARK-4636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Armbrust updated SPARK-4636: ------------------------------------ Target Version/s: 1.3.0 > Cluster By & Distribute By output different with Hive > ----------------------------------------------------- > > Key: SPARK-4636 > URL: https://issues.apache.org/jira/browse/SPARK-4636 > Project: Spark > Issue Type: Bug > Components: SQL > Reporter: Cheng Hao > > This is a very interesting bug. > Semantically, Cluster By & Distribute By will not cause a global ordering, as > described in Hive wiki: > https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy > However, the partition keys are sorted in MapReduce after shuffle, so from > the user point of view, the partition key itself is global ordered, and it > may looks like: > http://stackoverflow.com/questions/13715044/hive-cluster-by-vs-order-by-vs-sort-by -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org