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https://issues.apache.org/jira/browse/DRILL-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sudheesh Katkam updated DRILL-1278:
-----------------------------------
Due Date: 12/Aug/14
> Selecting individual fields from a map with a join fails with
> IllegalStateException
> ------------------------------------------------------------------------------------
>
> Key: DRILL-1278
> URL: https://issues.apache.org/jira/browse/DRILL-1278
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Mehant Baid
> Assignee: Mehant Baid
>
> I have the following json file
> bug.json
> {"col" : {"name" : "foo", "id": 1}, "col1": 1}
> {"col" : {"name" : "bar", "id": 2}, "col1": 2}
> Have the same data in another file bug1.json.
> The following query succeeds and returns the right result.
> select b.col from dfs.`bug.json` b, dfs.`bug1.json` b1 where b.col1 = b1.col1;
> However selecting an individual field from the 'col' map fails.
> select b.col.name from dfs.`bug.json` b, dfs.`bug1.json` b1 where b.col1 =
> b1.col1;
> Below is the stack trace
> java.lang.IllegalStateException
> Incoming batch has an empty schema. This is not allowed.
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:128)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:75)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:65)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:45)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:120)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:95)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:116)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:59)
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:98)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:49)
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:105)
>
> ~[drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:250)
>
> [drill-java-exec-0.5.0-incubating-SNAPSHOT-rebuffed.jar:0.5.0-incubating-SNAPSHOT]
> 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]
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