[ https://issues.apache.org/jira/browse/HIVE-2329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Navis updated HIVE-2329: ------------------------ Attachment: (was: HIVE-2329.1.patch) > Not using map aggregation, fails to execute group-by after cluster-by with > same key > ----------------------------------------------------------------------------------- > > Key: HIVE-2329 > URL: https://issues.apache.org/jira/browse/HIVE-2329 > Project: Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 0.8.0 > Reporter: Navis > Assignee: Navis > Priority: Minor > Attachments: HIVE-2329.1.patch.txt > > > hive.map.aggr=false > select Q1.key_int1, sum(Q1.key_int1), sum(distinct Q1.key_int1) from (select > * from t1 cluster by key_int1) Q1 group by Q1.key_int1 > resulted.. > FAILED: Execution Error, return code 2 from > org.apache.hadoop.hive.ql.exec.MapRedTask > from hadoop logs.. > Caused by: java.lang.RuntimeException: cannot find field key from [] > at > org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.getStandardStructFieldRef(ObjectInspectorUtils.java:321) > at > org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.getStructFieldRef(StandardStructObjectInspector.java:119) > at > org.apache.hadoop.hive.ql.exec.ExprNodeColumnEvaluator.initialize(ExprNodeColumnEvaluator.java:82) > at > org.apache.hadoop.hive.ql.exec.GroupByOperator.initializeOp(GroupByOperator.java:198) > at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:357) > at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:433) > ........ > I think the problem is caused by ReduceSinkDeDuplication, removing RS which > was providing rs.key for GBY operation. If child of child RS is a GBY, we > should bypass the optimization. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira