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From "Sushanth Sowmyan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4551) HCatLoader smallint/tinyint promotions to Int have issues with ORC integration
Date Wed, 03 Jul 2013 23:10:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699571#comment-13699571
] 

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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