alex.lv created MAPREDUCE-5537:
----------------------------------
Summary: hive return different results with and without index when
hive.hadoop.supports.splittable.combineinputformat =true
Key: MAPREDUCE-5537
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5537
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: alex.lv
the environment:
hive-0.8.1
hadoop-0.20.2-cdh3u6
the Presentation:
i use the hive-0.8.1 to exec the query:
select count(*) from table t1;
the table t1 is lzo formatted ,and the follows is :
# Storage Information
SerDe Library:
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
InputFormat: com.hadoop.mapred.DeprecatedLzoTextInputFormat
OutputFormat:
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
and the hive.hadoop.supports.splittable.combineinputformat =true
when i index the table t1,the result is 265329 .
when i remove the index of the t1,the result is 265325.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
