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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