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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/02/04 22:04:34 UTC

[jira] [Comment Edited] (DRILL-2161) Flatten on a list within a list on a large data set results in an IOB Exception

    [ https://issues.apache.org/jira/browse/DRILL-2161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14305672#comment-14305672 ] 

Rahul Challapalli edited comment on DRILL-2161 at 2/4/15 9:04 PM:
------------------------------------------------------------------

Few more queries which result in the same issue with the larger data set
{code}
1. select s.rptds from (select d.type type, flatten(d.map.rm[1].rptd) rptds, flatten(d.features) feats from `data.json` d) s where s.rptds.c < s.feats.properties.mag and s.type='web'
2. select d.uid, flatten(d.map.rm), flatten(d.events) from `data.json` d where d.map.rm[0].rptd[0].a = 'foo'
3. select d.uid, flatten(d.map.rm) from `data.json` d where d.map.rm[0].rptd[0].a = 'foo' or d.sub[1].z2=10
4. select uid, lst_lst, d.lst_lst[1], flatten(d.lst_lst) lst from `data.json` d order by d.lst_lst[1][2]
{code}
5. select d.uid, flatten(d.map.rm) from `data.json` d where d.map.rm[0].rptd[0].a = 'foo'


was (Author: rkins):
One more query :
{code}
select s.rptds from (select d.type type, flatten(d.map.rm[1].rptd) rptds, flatten(d.features) feats from `data.json` d) s where s.rptds.c < s.feats.properties.mag and s.type='web'
{code}

> Flatten on a list within a list on a large data set results in an IOB Exception
> -------------------------------------------------------------------------------
>
>                 Key: DRILL-2161
>                 URL: https://issues.apache.org/jira/browse/DRILL-2161
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow, Execution - Relational Operators
>            Reporter: Rahul Challapalli
>            Assignee: Jason Altekruse
>         Attachments: data.json
>
>
> git.commit.id.abbrev=3e33880
> I attached the data set which contains 2 records.
> Below query works fine on the attached data set
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select uid, flatten(d.lst_lst) lst from `data.json` d;
> +------------+------------+
> |    uid     |    lst     |
> +------------+------------+
> | 1          | [1,2,3,4,5] |
> | 1          | [2,3,4,5,6] |
> | 2          | [1,2,3,4,5] |
> | 2          | [2,3,4,5,6] |
> +------------+------------+
> {code}
> However if I copy the same data set 50, 000 times, and run the same query, it fails with IOB. Below is the contents of the log file
> {code}
> java.lang.IndexOutOfBoundsException: index: 16384, length: 4 (expected: range(0, 16384))
> 	at io.netty.buffer.DrillBuf.checkIndexD(DrillBuf.java:156) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:4.0.24.Final]
> 	at io.netty.buffer.DrillBuf.chk(DrillBuf.java:178) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:4.0.24.Final]
> 	at io.netty.buffer.DrillBuf.getInt(DrillBuf.java:447) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:4.0.24.Final]
> 	at org.apache.drill.exec.vector.UInt4Vector$Accessor.get(UInt4Vector.java:309) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.vector.complex.RepeatedListVector.populateEmpties(RepeatedListVector.java:385) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.vector.complex.RepeatedListVector.access$300(RepeatedListVector.java:54) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.vector.complex.RepeatedListVector$Mutator.setValueCount(RepeatedListVector.java:132) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setValueCount(ProjectRecordBatch.java:248) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork(ProjectRecordBatch.java:181) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:93) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:99) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:89) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext(FlattenRecordBatch.java:122) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:99) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:89) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:67) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:97) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:110) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> 	at org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:254) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-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]
> {code}



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