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https://issues.apache.org/jira/browse/HIVE-4551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699571#comment-13699571
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Sushanth Sowmyan commented on HIVE-4551:
----------------------------------------
I've created HIVE-4816 to follow up on what patch.2 did, and I've uploaded
patch.2 there. I'm going to delete it here so that it doesn't cause further
confusion to others visiting this jira.
> 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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