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https://issues.apache.org/jira/browse/DRILL-4139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976767#comment-15976767
 ] 

Volodymyr Vysotskyi commented on DRILL-4139:
--------------------------------------------

FIXED_LEN_BYTE_ARRAY values are serializied in metadata incorrectly. This issue 
is similar to DRILL-3937, but there was a problem with BINARY type. 
FIXED_LEN_BYTE_ARRAY parquet type corresponds to VARBINARY, DECIMAL and 
INTERVAL drill types. BINARY parquet type corresponds to VARBINARY, VARCHAR and 
DECIMAL drill types. As these parquet types have the common drill equivalents, 
they should be serialized in the same way. [Current 
solution|https://github.com/apache/drill/blob/4d4e0c2b23caead69dd4c6c02c07a9800b3c7611/exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/Metadata.java#L1714]
 would not work for FIXED_LEN_BYTE_ARRAY type because INTERVAL logical type has 
little endian byte order.

> Exception while trying to prune partition. 
> java.lang.UnsupportedOperationException: Unsupported type: BIT & Interval
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-4139
>                 URL: https://issues.apache.org/jira/browse/DRILL-4139
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Parquet
>    Affects Versions: 1.3.0
>         Environment: 4 node cluster on CentOS
>            Reporter: Khurram Faraaz
>            Assignee: Volodymyr Vysotskyi
>
> Exception while trying to prune partition.
> java.lang.UnsupportedOperationException: Unsupported type: BIT
> is seen in drillbit.log after Functional run on 4 node cluster.
> Drill 1.3.0 sys.version => d61bb83a8
> {code}
> 2015-11-27 03:12:19,809 [29a835ec-3c02-0fb6-d3c1-bae276ef7385:foreman] INFO  
> o.a.d.e.p.l.partition.PruneScanRule - Beginning partition pruning, pruning 
> class: org.apache.drill.exec.planner.logical.partition.ParquetPruneScanRule$2
> 2015-11-27 03:12:19,809 [29a835ec-3c02-0fb6-d3c1-bae276ef7385:foreman] INFO  
> o.a.d.e.p.l.partition.PruneScanRule - Total elapsed time to build and analyze 
> filter tree: 0 ms
> 2015-11-27 03:12:19,810 [29a835ec-3c02-0fb6-d3c1-bae276ef7385:foreman] WARN  
> o.a.d.e.p.l.partition.PruneScanRule - Exception while trying to prune 
> partition.
> java.lang.UnsupportedOperationException: Unsupported type: BIT
>         at 
> org.apache.drill.exec.store.parquet.ParquetGroupScan.populatePruningVector(ParquetGroupScan.java:479)
>  ~[drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.ParquetPartitionDescriptor.populatePartitionVectors(ParquetPartitionDescriptor.java:96)
>  ~[drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:235)
>  ~[drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.logical.partition.ParquetPruneScanRule$2.onMatch(ParquetPruneScanRule.java:87)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228)
>  [calcite-core-1.4.0-drill-r8.jar:1.4.0-drill-r8]
>         at 
> org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:808)
>  [calcite-core-1.4.0-drill-r8.jar:1.4.0-drill-r8]
>         at 
> org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:303) 
> [calcite-core-1.4.0-drill-r8.jar:1.4.0-drill-r8]
>         at 
> org.apache.calcite.prepare.PlannerImpl.transform(PlannerImpl.java:303) 
> [calcite-core-1.4.0-drill-r8.jar:1.4.0-drill-r8]
>         at 
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.logicalPlanningVolcanoAndLopt(DefaultSqlHandler.java:545)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:213)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:248)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:164)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:184)
>  [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:905) 
> [drill-java-exec-1.3.0.jar:1.3.0]
>         at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:244) 
> [drill-java-exec-1.3.0.jar:1.3.0]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  [na:1.7.0_45]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  [na:1.7.0_45]
>         at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> {code}



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