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https://issues.apache.org/jira/browse/HIVE-4551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sushanth Sowmyan updated HIVE-4551:
-----------------------------------
Status: Patch Available (was: Open)
> HCatLoader smallint/tinyint promotions to Int have issues with ORC integration
> ------------------------------------------------------------------------------
>
> Key: HIVE-4551
> URL: https://issues.apache.org/jira/browse/HIVE-4551
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Reporter: Sushanth Sowmyan
> Assignee: Sushanth Sowmyan
> Attachments: 4551.patch
>
>
> This was initially reported from an e2e test run, with the following E2E test:
> {code}
> {
> 'name' => 'Hadoop_ORC_Write',
> 'tests' => [
> {
> 'num' => 1
> ,'hcat_prep'=>q\
> drop table if exists hadoop_orc;
> create table hadoop_orc (
> t tinyint,
> si smallint,
> i int,
> b bigint,
> f float,
> d double,
> s string)
> stored as orc;\
> ,'hadoop' => q\
> jar :FUNCPATH:/testudf.jar org.apache.hcatalog.utils.WriteText -libjars
> :HCAT_JAR: :THRIFTSERVER: all100k hadoop_orc\,
> ,'result_table' => 'hadoop_orc'
> ,'sql' => q\select * from all100k;\
> ,'floatpostprocess' => 1
> ,'delimiter' => ' '
> },
> ],
> },
> {code}
> This fails with the following error:
> {code}
> 2013-04-26 00:26:07,437 WARN org.apache.hadoop.mapred.Child: Error running
> child
> org.apache.pig.backend.executionengine.ExecException: ERROR 6018: Error
> converting read value to tuple
> at
> org.apache.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:76)
> at org.apache.hcatalog.pig.HCatLoader.getNext(HCatLoader.java:53)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:211)
> at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:532)
> at
> org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:765)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:369)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1195)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.ClassCastException:
> org.apache.hadoop.hive.serde2.io.ByteWritable cannot be cast to
> org.apache.hadoop.io.IntWritable
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector.getPrimitiveJavaObject(WritableIntObjectInspector.java:45)
> at
> org.apache.hcatalog.data.HCatRecordSerDe.serializePrimitiveField(HCatRecordSerDe.java:290)
> at
> org.apache.hcatalog.data.HCatRecordSerDe.serializeField(HCatRecordSerDe.java:192)
> at org.apache.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:53)
> at org.apache.hcatalog.data.LazyHCatRecord.get(LazyHCatRecord.java:97)
> at
> org.apache.hcatalog.mapreduce.HCatRecordReader.nextKeyValue(HCatRecordReader.java:203)
> at
> org.apache.hcatalog.pig.HCatBaseLoader.getNext(HCatBaseLoader.java:63)
> ... 12 more
> 2013-04-26 00:26:07,440 INFO org.apache.hadoop.mapred.Task: Runnning cleanup
> for the task
> {code}
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