[
https://issues.apache.org/jira/browse/DRILL-2637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Hsuan-Yi Chu resolved DRILL-2637.
--------------------------------------
Resolution: Fixed
> Schema change reported incorrectly although both the input columns are of
> same datatype
> ---------------------------------------------------------------------------------------
>
> Key: DRILL-2637
> URL: https://issues.apache.org/jira/browse/DRILL-2637
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Khurram Faraaz
> Assignee: Sean Hsuan-Yi Chu
>
> Schema change is reported incorrectly, although the two columns hold data of
> same datatype, and those two columns are input to Union All and an aggregate
> count is performed on the results returned by Union All.
> Tests were run on 4 node cluster.
> {code}
> 0: jdbc:drill:> select c1 from (select columns[0] c1 from `testWindow.csv`)
> union all (select columns[0] c2 from `testWindow.csv`);
> +------------+
> | c1 |
> +------------+
> | 100 |
> | 10 |
> | 2 |
> | 50 |
> | 55 |
> | 67 |
> | 113 |
> | 119 |
> | 89 |
> | 57 |
> | 61 |
> | 100 |
> | 10 |
> | 2 |
> | 50 |
> | 55 |
> | 67 |
> | 113 |
> | 119 |
> | 89 |
> | 57 |
> | 61 |
> +------------+
> 22 rows selected (0.121 seconds)
> {code}
> {code}
> 0: jdbc:drill:> select count(c1) from (select columns[0] c1 from
> `testWindow.csv`) union all (select columns[0] c2 from `testWindow.csv`);
> +------------+
> | EXPR$0 |
> +------------+
> Query failed: Query stopped., Schema change detected in the left input of
> Union-All. This is not currently supported [
> 57dd6384-fb23-4ab0-aee9-fb7def390788 on centos-04.qa.lab:31010 ]
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing
> query.
> at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> at sqlline.SqlLine.print(SqlLine.java:1809)
> at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> at sqlline.SqlLine.dispatch(SqlLine.java:889)
> at sqlline.SqlLine.begin(SqlLine.java:763)
> at sqlline.SqlLine.start(SqlLine.java:498)
> at sqlline.SqlLine.main(SqlLine.java:460)
> {code}
> Stack trace from drillbit.log
> {code}
> 2015-03-31 20:10:07,825 [2ae500df-db85-2583-fa7f-b89beb7e5ac0:frag:0:0] ERROR
> o.a.drill.exec.work.foreman.Foreman - Error
> 0b4d9b3a-d8af-4dc9-be47-46c4547a793a: RemoteRpcException: Failure while
> running fragment., Schema change detected in the left input of Union-All.
> This is not currently supported [ b9555eb8-c009-4e9c-b058-ffae3f015df7 on
> centos-04.qa.lab:31010 ]
> [ b9555eb8-c009-4e9c-b058-ffae3f015df7 on centos-04.qa.lab:31010 ]
> org.apache.drill.exec.rpc.RemoteRpcException: Failure while running
> fragment., Schema change detected in the left input of Union-All. This is not
> currently supported [ b9555eb8-c009-4e9c-b058-ffae3f015df7 on
> centos-04.qa.lab:31010 ]
> [ b9555eb8-c009-4e9c-b058-ffae3f015df7 on centos-04.qa.lab:31010 ]
> at
> org.apache.drill.exec.work.foreman.QueryManager.statusUpdate(QueryManager.java:163)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.foreman.QueryManager$RootStatusReporter.statusChange(QueryManager.java:281)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.AbstractStatusReporter.fail(AbstractStatusReporter.java:114)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.AbstractStatusReporter.fail(AbstractStatusReporter.java:110)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.internalFail(FragmentExecutor.java:230)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:165)
> [drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_75]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_75]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
> 2015-03-31 20:10:07,825 [2ae500df-db85-2583-fa7f-b89beb7e5ac0:frag:0:0] WARN
> o.a.d.e.w.fragment.FragmentExecutor - Error while initializing or executing
> fragment
> java.lang.RuntimeException: Error closing fragment context.
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.closeOutResources(FragmentExecutor.java:224)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:166)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_75]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_75]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
> Caused by: org.apache.drill.exec.exception.SchemaChangeException: Schema
> change detected in the left input of Union-All. This is not currently
> supported
> at
> org.apache.drill.exec.physical.impl.union.UnionAllRecordBatch$UnionAllInput.nextBatch(UnionAllRecordBatch.java:353)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.union.UnionAllRecordBatch.innerNext(UnionAllRecordBatch.java:102)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:68)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:96)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:58)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:163)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> ... 4 common frames omitted
> 2015-03-31 20:10:07,826 [2ae500df-db85-2583-fa7f-b89beb7e5ac0:frag:0:0] ERROR
> o.a.drill.exec.ops.FragmentContext - Fragment Context received failure --
> Fragment: 0:0
> java.lang.RuntimeException: Error closing fragment context.
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.closeOutResources(FragmentExecutor.java:224)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:166)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_75]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_75]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
> Caused by: org.apache.drill.exec.exception.SchemaChangeException: Schema
> change detected in the left input of Union-All. This is not currently
> supported
> at
> org.apache.drill.exec.physical.impl.union.UnionAllRecordBatch$UnionAllInput.nextBatch(UnionAllRecordBatch.java:353)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.union.UnionAllRecordBatch.innerNext(UnionAllRecordBatch.java:102)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:68)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:96)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:58)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:163)
> ~[drill-java-exec-0.9.0-SNAPSHOT-rebuffed.jar:0.9.0-SNAPSHOT]
> ... 4 common frames omitted
> {code}
> Details of version
> {code}
> | 9d92b8e319f2d46e8659d903d355450e15946533 | DRILL-2580: Exit early from
> HashJoinBatch if build side is empty | 26.03.2015 @ 16:13:53 EDT | Unknown
> | 26.03.2015 @ 16:53:21 EDT |
> {code}
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