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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-10158) LLAP: Varchar columns are not handled in encoded readers
Date Tue, 31 Mar 2015 04:43:53 GMT
Gopal V created HIVE-10158:
------------------------------

             Summary: LLAP: Varchar columns are not handled in encoded readers
                 Key: HIVE-10158
                 URL: https://issues.apache.org/jira/browse/HIVE-10158
             Project: Hive
          Issue Type: Sub-task
    Affects Versions: llap
            Reporter: Gopal V
            Assignee: Prasanth Jayachandran
             Fix For: llap


ORC Varchar columns can't be read off the cache

{code}
Caused by: java.io.IOException: java.lang.ClassCastException: org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$VarcharTreeReader
cannot be cast to org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringDictionaryTreeReader
        at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.rethrowErrorIfAny(LlapInputFormat.java:249)
        at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.nextCvb(LlapInputFormat.java:201)
        at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:140)
        at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:96)
        at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:350)
        ... 22 more
Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$VarcharTreeReader
cannot be cast to org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringDictionaryTreeReader
        at org.apache.hadoop.hive.llap.io.decode.orc.stream.readers.CharacterStreamReader.seek(CharacterStreamReader.java:84)
        at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.createTreeReaders(OrcEncodedDataConsumer.java:332)
        at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:98)
        at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:108)
        at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:35)
        at org.apache.hadoop.hive.ql.io.orc.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:319)
        at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:278)
        at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:48)
        at org.apache.hadoop.hive.common.CallableWithNdc.call(CallableWithNdc.java:37)
        ... 4 more
{code}



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