Not the same; I updated comment in KYLIN-2049. 2016-11-02 23:01 GMT+08:00 Alberto Ramón <[email protected]>:
> 2 by the price of 1 ? KYLIN-2049 > > 2016-11-02 15:26 GMT+01:00 hongbin ma (JIRA) <[email protected]>: > > > hongbin ma created KYLIN-2154: > > --------------------------------- > > > > Summary: source table rows will be skipped if TOPN's group > > column contains NULL values > > Key: KYLIN-2154 > > URL: https://issues.apache.org/jira/browse/KYLIN-2154 > > Project: Kylin > > Issue Type: Bug > > Reporter: hongbin ma > > Assignee: hongbin ma > > > > > > topn: group by country and order by sum(price) > > > > if the country column contains NULL values: > > > > 2016-11-02 20:23:22,478 ERROR [main] org.apache.kylin.engine.mr. > steps.BaseCuboidMapperBase: > > Insane record: [20111209, \N, 1000122, 101, 9 > > java.lang.NullPointerException > > at org.apache.kylin.common.util.Bytes.toBytes(Bytes.java:351) > > at org.apache.kylin.measure.topn.TopNMeasureType$1.valueOf( > > TopNMeasureType.java:145) > > at org.apache.kylin.measure.topn.TopNMeasureType$1.valueOf( > > TopNMeasureType.java:116) > > at org.apache.kylin.engine.mr.steps.BaseCuboidMapperBase. > > buildValueOf(BaseCuboidMapperBase.java:186) > > at org.apache.kylin.engine.mr.steps.BaseCuboidMapperBase. > > buildValue(BaseCuboidMapperBase.java:157) > > at org.apache.kylin.engine.mr.steps.BaseCuboidMapperBase. > > outputKV(BaseCuboidMapperBase.java:203) > > at org.apache.kylin.engine.mr.steps.HiveToBaseCuboidMapper. > > map(HiveToBaseCuboidMapper.java:52) > > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145) > > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask. > java:784) > > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) > > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) > > at java.security.AccessController.doPrivileged(Native Method) > > at javax.security.auth.Subject.doAs(Subject.java:415) > > at org.apache.hadoop.security.UserGroupInformation.doAs( > > UserGroupInformation.java:1628) > > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) > > > > > > > > -- > > This message was sent by Atlassian JIRA > > (v6.3.4#6332) > > > -- Best regards, Shaofeng Shi 史少锋
