[DRILL-2637] Schema change reported incorrectly although both the input columns are of same datatype - ASF JIRA

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Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 0.9.0
Fix Version/s: None
Component/s: None
Labels:
None

Description

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.

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)

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)

Stack trace from drillbit.log

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

Details of version

| 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 |

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Assignee:: Sean Hsuan-Yi Chu

Reporter:: Khurram Faraaz

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 31/Mar/15 20:19

Updated:: 15/Sep/15 18:27

Resolved:: 06/Apr/15 20:30