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From "Arina Ielchiieva (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5521) IndexOutOfBoundsException during union all for map types
Date Wed, 17 May 2017 14:00:10 GMT
Arina Ielchiieva created DRILL-5521:
---------------------------------------

             Summary: IndexOutOfBoundsException during union all for map types
                 Key: DRILL-5521
                 URL: https://issues.apache.org/jira/browse/DRILL-5521
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.11.0
            Reporter: Arina Ielchiieva
            Assignee: Arina Ielchiieva
             Fix For: 1.11.0


In DRILL-5419 introduced some changes in UnionAllRecordBatch.
One change allowed to transfer data directly if column name is the same.
This part of code existed before but was not executed since if condition was always returning
false:
{noformat}
if(outputFields.get(index).getPath().equals(inputPath)) {
{noformat}
But fixing this condition lead to the following error

Change in code:
{noformat}
if (outputFields.get(index).getPath().equals(inputPath.getAsUnescapedPath())) {
{noformat}

Data set:
{noformat}
cat missing-map.json 
{"rk": "a", "m": {"a":"1"}}
{noformat}

Query:
{noformat}
select kvgen(m) from dfs.`missing-map.json` union all select convert_from('{"a" : null}' ,'json')
as m from (values(1))
{noformat}

Error:
{noformat}
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: IndexOutOfBoundsException:
index: 0, length: 1 (expected: range(0, 0))

Fragment 0:0

[Error Id: 7f95af7b-036b-4f74-820a-c720d527d2e5 on localhost:31010]

  (java.lang.IndexOutOfBoundsException) index: 0, length: 1 (expected: range(0, 0))
    io.netty.buffer.DrillBuf.checkIndexD():123
    io.netty.buffer.DrillBuf.chk():147
    io.netty.buffer.DrillBuf.getByte():775
    org.apache.drill.exec.vector.UInt1Vector$Accessor.get():354
    org.apache.drill.exec.vector.NullableVarCharVector$Accessor.isSet():399
    org.apache.drill.exec.vector.NullableVarCharVector$Accessor.isNull():395
    org.apache.drill.exec.vector.complex.impl.NullableVarCharReaderImpl.isSet():100
    org.apache.drill.exec.expr.fn.impl.MappifyUtility.mappify():59
    org.apache.drill.exec.test.generated.ProjectorGen2.doEval():38
    org.apache.drill.exec.test.generated.ProjectorGen2.projectRecords():67
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork():198
    org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():93
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():134
    org.apache.drill.exec.record.AbstractRecordBatch.next():162
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
    org.apache.drill.exec.record.AbstractRecordBatch.next():119
    org.apache.drill.exec.record.AbstractRecordBatch.next():109
    org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():51
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():134
    org.apache.drill.exec.record.AbstractRecordBatch.next():162
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
    org.apache.drill.exec.record.AbstractRecordBatch.next():119
    org.apache.drill.exec.record.AbstractRecordBatch.next():109
    org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():51
    org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext():121
    org.apache.drill.exec.record.AbstractRecordBatch.next():162
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
    org.apache.drill.exec.record.AbstractRecordBatch.next():119
    org.apache.drill.exec.record.AbstractRecordBatch.next():109
    org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():51
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():134
    org.apache.drill.exec.record.AbstractRecordBatch.next():162
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
    org.apache.drill.exec.physical.impl.BaseRootExec.next():105
    org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext():81
    org.apache.drill.exec.physical.impl.BaseRootExec.next():95
    org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():234
    org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():227
    java.security.AccessController.doPrivileged():-2
    javax.security.auth.Subject.doAs():421
    org.apache.hadoop.security.UserGroupInformation.doAs():1657
    org.apache.drill.exec.work.fragment.FragmentExecutor.run():227
    org.apache.drill.common.SelfCleaningRunnable.run():38
    java.util.concurrent.ThreadPoolExecutor.runWorker():1145
    java.util.concurrent.ThreadPoolExecutor$Worker.run():615
    java.lang.Thread.run():745
{noformat}



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