[jira] [Created] (DRILL-7067) Querying parquet file with null value field error

["Jardhel Cachola (JIRA)" <ji...@apache.org>]

Jardhel Cachola created DRILL-7067:
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             Summary: Querying parquet file with null value field error
                 Key: DRILL-7067
                 URL: https://issues.apache.org/jira/browse/DRILL-7067
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Parquet
    Affects Versions: 1.15.0
         Environment: Ubuntu 18.04.1 LTS 

Apache Drill 1.15.0 
            Reporter: Jardhel Cachola
             Fix For: Future


When we try to join two parquet tables and one of them has null values on any field, the query doesn't run. It fails showing the following error: 

Error: SYSTEM ERROR: IllegalStateException: Failure while reading vector. Expected vector class of org.apache.drill.exec.vector.NullableIntVector but was holding vector class org.apache.drill.exec.vector.NullableVarDecimalVector, field= [`id_cub` (VARDECIMAL(38, 4):OPTIONAL), children=([`$bits$` (UINT1:REQUIRED)], [`id_cub` (VARDECIMAL(38, 4):OPTIONAL), children=([`$offsets$` (UINT4:REQUIRED)])])]

Fragment 2:0

Please, refer to logs for more information.

[Error Id: 48f63255-c771-4809-8252-ef7a78fda31b on ip-172-18-250-4.us-west-2.compute.internal:31010]

(java.lang.IllegalStateException) Failure while reading vector. Expected vector class of org.apache.drill.exec.vector.NullableIntVector but was holding vector class org.apache.drill.exec.vector.NullableVarDecimalVector, field= [`id_cub` (VARDECIMAL(38, 4):OPTIONAL), children=([`$bits$` (UINT1:REQUIRED)], [`id_cub` (VARDECIMAL(38, 4):OPTIONAL), children=([`$offsets$` (UINT4:REQUIRED)])])] 
 org.apache.drill.exec.record.VectorContainer.getValueAccessorById():324
 org.apache.drill.exec.record.RecordBatchLoader.getValueAccessorById():251
 org.apache.drill.exec.physical.impl.unorderedreceiver.UnorderedReceiverBatch.getValueAccessorById():142
 org.apache.drill.exec.test.generated.PartitionerGen1732$OutgoingRecordBatch.doSetup():114
 org.apache.drill.exec.test.generated.PartitionerGen1732$OutgoingRecordBatch.initializeBatch():399
 org.apache.drill.exec.test.generated.PartitionerGen1732.flushOutgoingBatches():185
 org.apache.drill.exec.physical.impl.partitionsender.PartitionerDecorator$FlushBatchesHandlingClass.execute():285
 org.apache.drill.exec.physical.impl.partitionsender.PartitionerDecorator$PartitionerTask.run():340
 java.util.concurrent.ThreadPoolExecutor.runWorker():1149
 java.util.concurrent.ThreadPoolExecutor$Worker.run():624
 java.lang.Thread.run():748 (state=,code=0)



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