Gopal V created HIVE-10158:
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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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