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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3847) Exception during partition pruning
Date Mon, 28 Sep 2015 21:10:04 GMT
Victoria Markman created DRILL-3847:
---------------------------------------

             Summary: Exception during partition pruning
                 Key: DRILL-3847
                 URL: https://issues.apache.org/jira/browse/DRILL-3847
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
    Affects Versions: 1.2.0
            Reporter: Victoria Markman


* This is happening when I run query below on a table partitioned by cd_demo_sk which resulted
in ~1.9 million files in the single directory.
* Metadata file is present customer_demographics_part_1
* If cast to varchar is replaced with the star in projection list: query works
* If cast to varchar replaced with integer columns: query works
* Same query runs to completion on the original table.

{code}
select
        cast(cd_gender as varchar(10)),
        cast(cd_credit_rating as varchar(10)),
        cast(cd_marital_status as varchar(10)),
        cd_dep_count
from
        customer_demographics_part_1
where cd_demo_sk = 10000;
{code}

drillbit.log
{code}
2015-09-28 20:39:20,653 [29f65bb1-6f25-9d81-3225-c7ae40adbbf3:foreman] WARN  o.a.d.e.p.l.partition.PruneScanRule
- Exception while trying to prune partition.
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to parquet.io.api.Binary
        at org.apache.drill.exec.store.parquet.ParquetGroupScan.populatePruningVector(ParquetGroupScan.java:403)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.ParquetPartitionDescriptor.populatePartitionVectors(ParquetPartitionDescriptor.java:96)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:212)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.ParquetPruneScanRule$2.onMatch(ParquetPruneScanRule.java:87)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:808)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.prepare.PlannerImpl.transform(PlannerImpl.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.logicalPlanningVolcanoAndLopt(DefaultSqlHandler.java:545)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:213)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:248)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:164)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:178)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:905) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:244) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
2015-09-28 20:39:24,779 [29f65bb1-6f25-9d81-3225-c7ae40adbbf3:foreman] WARN  o.a.d.e.p.l.partition.PruneScanRule
- Exception while trying to prune partition.
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to parquet.io.api.Binary
        at org.apache.drill.exec.store.parquet.ParquetGroupScan.populatePruningVector(ParquetGroupScan.java:403)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.ParquetPartitionDescriptor.populatePartitionVectors(ParquetPartitionDescriptor.java:96)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:212)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.ParquetPruneScanRule$1.onMatch(ParquetPruneScanRule.java:60)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:808)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.prepare.PlannerImpl.transform(PlannerImpl.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.logicalPlanningVolcanoAndLopt(DefaultSqlHandler.java:545)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:213)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:248)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:164)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:178)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:905) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:244) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
2015-09-28 20:39:26,149 [29f65bb1-6f25-9d81-3225-c7ae40adbbf3:foreman] WARN  o.a.d.e.p.l.partition.PruneScanRule
- Exception while trying to prune partition.
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to parquet.io.api.Binary
        at org.apache.drill.exec.store.parquet.ParquetGroupScan.populatePruningVector(ParquetGroupScan.java:403)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.ParquetPartitionDescriptor.populatePartitionVectors(ParquetPartitionDescriptor.java:96)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.PruneScanRule.doOnMatch(PruneScanRule.java:212)
~[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.logical.partition.ParquetPruneScanRule$1.onMatch(ParquetPruneScanRule.java:60)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:808)
[calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.calcite.prepare.PlannerImpl.transform(PlannerImpl.java:303) [calcite-core-1.4.0-drill-r5.jar:1.4.0-drill-r5]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.logicalPlanningVolcanoAndLopt(DefaultSqlHandler.java:545)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:213)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:248)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:164)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:178)
[drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:905) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:244) [drill-java-exec-1.2.0-SNAPSHOT.jar:1.2.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
2015-09-28 20:40:53,850 [UserServer-1] INFO  o.a.drill.exec.rpc.user.UserServer - RPC connection
/10.10.88.133:31010 <--> /10.10.88.133:48567 (user client) timed out.  Timeout was set
to 30 seconds. Closing connection.
{code}

Can't attach data, too big.



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