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kangkaisen reassigned KYLIN-3091: --------------------------------- Assignee: kangkaisen (was: Yerui Sun) > A problem about retention rate analyze > -------------------------------------- > > Key: KYLIN-3091 > URL: https://issues.apache.org/jira/browse/KYLIN-3091 > Project: Kylin > Issue Type: Bug > Components: Query Engine > Affects Versions: v2.0.0 > Environment: hbase 0.98.8-hadoop2 > Reporter: WangSheng > Assignee: kangkaisen > > I found that kylin supported retention rate analyze function, so I made some > test for this function. The following SQL executed successful: > {code:java} > select city, version, > intersect_count(uuid, dt, array['20161014', '20161015']) as retention_oneday, > intersect_count(uuid, dt, array['20161014', '20161015', '20161016']) as > retention_twoday > from visit_log > where dt in ('2016104', '20161015', '20161016') > group by city, version > {code} > but, other SQLs executed failed like this: > {code:java} > select city, > intersect_count(uuid, dt, array['20161014', '20161015']) as retention_oneday > from visit_log > where dt in ('2016104', '20161015',) > group by city, version > select city, version, > intersect_count(uuid, dt, array['20161014', '20161015', '20161016']) as > retention_twoday > from visit_log > where dt in ('2016104', '20161015', '20161016') > group by city, version > {code} > which means I cannot use just one intersect_count UDAF in a SQL, at lease two > intersect_count. My kylin version is kylin 2.0.0-hbase 0.98.8, and here is > the error log: > {code:java} > Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 2 > at java.util.ArrayList.rangeCheck(ArrayList.java:635) > at java.util.ArrayList.get(ArrayList.java:411) > at > org.apache.kylin.query.relnode.ColumnRowType.getColumnByIndex(ColumnRowType.java:49) > at > org.apache.kylin.query.relnode.OLAPAggregateRel.fillbackOptimizedColumn(OLAPAggregateRel.java:396) > at > org.apache.kylin.query.relnode.OLAPAggregateRel.buildRewriteFieldsAndMetricsColumns(OLAPAggregateRel.java:347) > at > org.apache.kylin.query.relnode.OLAPAggregateRel.implementRewrite(OLAPAggregateRel.java:283) > at > org.apache.kylin.query.relnode.OLAPRel$RewriteImplementor.visitChild(OLAPRel.java:158) > at > org.apache.kylin.query.relnode.OLAPLimitRel.implementRewrite(OLAPLimitRel.java:107) > at > org.apache.kylin.query.relnode.OLAPRel$RewriteImplementor.visitChild(OLAPRel.java:158) > at > org.apache.kylin.query.relnode.OLAPToEnumerableConverter.implement(OLAPToEnumerableConverter.java:100) > at > org.apache.calcite.adapter.enumerable.EnumerableRelImplementor.implementRoot(EnumerableRelImplementor.java:108) > at > org.apache.calcite.adapter.enumerable.EnumerableInterpretable.toBindable(EnumerableInterpretable.java:92) > at > org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.implement(CalcitePrepareImpl.java:1248) > at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:306) > at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:203) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:776) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:632) > at > org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:602) > at > org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:214) > at > org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:595) > at > org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:615) > at > org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:148) > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)