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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2013) Flatten has issues when a filter condition fails for all the records
Date Thu, 15 Jan 2015 18:28:34 GMT
Rahul Challapalli created DRILL-2013:
----------------------------------------

             Summary: Flatten has issues when a filter condition fails for all the records
                 Key: DRILL-2013
                 URL: https://issues.apache.org/jira/browse/DRILL-2013
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill, Storage - JSON
            Reporter: Rahul Challapalli
            Assignee: Jason Altekruse
            Priority: Critical


git.commit.id.abbrev=b491cdb

When the filter condition fails for all the records and we use flatten in the query, then
drill fails. i have tried this with more than one record

Data Set :
{code}
{
  "id" : "01",
  "id1" : 1,
  "list" : [
    {"col1":"0001","name":"nn001"},
    {"col2":"0002","name":"nn02"}
  ]
}
{code}

Below query fails :
{code}
0: jdbc:drill:schema=dfs.drillTestDir> select s.id, s.id1, flatten(s.list) fl from `sample.json`
s where s.id='02';
Query failed: Query failed: Failure while running fragment., index: -4, length: 4 (expected:
range(0, 16384)) [ d2b028fe-2c0c-4652-be61-a93f08862883 on qa-node190.qa.lab:31010 ]
[ d2b028fe-2c0c-4652-be61-a93f08862883 on qa-node190.qa.lab:31010 ]
{code}

Below is the error from the logs :
{code}
java.lang.IndexOutOfBoundsException: index: -4, 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$Accessor.get(UInt4Vector.java:297) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
        at org.apache.drill.exec.vector.complex.RepeatedMapVector$RepeatedMapAccessor.getValueCount(RepeatedMapVector.java:527)
~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.doWork(FlattenRecordBatch.java:155)
~[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.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:132)
~[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$ScreenRoot.innerNext(ScreenCreator.java:97)
~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:114)
~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
        at org.apache.drill.exec.work.WorkManager$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}

Let me know if you have any questions



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