Victoria Markman created DRILL-4012: ---------------------------------------
Summary: Limit 0 on top of query with kvg/flatten results in assert Key: DRILL-4012 URL: https://issues.apache.org/jira/browse/DRILL-4012 Project: Apache Drill Issue Type: Bug Components: Execution - Data Types Reporter: Victoria Markman missing-map.json {code} { "id": 1, "m": {"a":1,"b":2} } { "id": 2 } { "id": 3, "m": {"c":3,"d":4} } {code} 'limit 0' results in an assert: {code} 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from `missing-map.json`) limit 0; Error: SYSTEM ERROR: ClassCastException: Cannot cast org.apache.drill.exec.vector.NullableIntVector to org.apache.drill.exec.vector.complex.RepeatedValueVector Fragment 0:0 [Error Id: 046bb4d4-2c54-43ab-9577-cf21542ff8ef on atsqa4-133.qa.lab:31010] (state=,code=0) {code} 'limit 1' works: {code} 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from `missing-map.json`) limit 1; +-----+------------------------+ | id | EXPR$1 | +-----+------------------------+ | 1 | {"key":"a","value":1} | +-----+------------------------+ 1 row selected (0.247 seconds) {code} No limit, just in subquery: works {code} 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from `json_kvgenflatten/missing-map.json`); +-----+------------------------+ | id | EXPR$1 | +-----+------------------------+ | 1 | {"key":"a","value":1} | | 1 | {"key":"b","value":2} | | 3 | {"key":"c","value":3} | | 3 | {"key":"d","value":4} | +-----+------------------------+ 4 rows selected (0.247 seconds) {code} drillbit.log {code} 2015-11-03 15:23:20,943 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host atsqa4-136.qa.lab. Skipping affinity to that host. 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host atsqa4-134.qa.lab. Skipping affinity to that host. 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Get block maps: Executed 1 out of 1 using 1 threads. Time: 1ms total, 1.530719ms avg, 1ms max. 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Get block maps: Executed 1 out of 1 using 1 threads. Earliest start: 1.744000 μs, Latest start: 1.744000 μs, Average start: 1.744000 μs . 2015-11-03 15:23:20,968 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO o.a.d.e.w.fragment.FragmentExecutor - 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested AWAITING_ALLOCATION --> RUNNING 2015-11-03 15:23:20,968 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO o.a.d.e.w.f.FragmentStatusReporter - 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State to report: RUNNING 2015-11-03 15:23:20,974 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] WARN o.a.d.e.e.ExpressionTreeMaterializer - Unable to find value vector of path `EXPR$3`, returning null instance. 2015-11-03 15:23:20,975 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] WARN o.a.d.e.e.ExpressionTreeMaterializer - Unable to find value vector of path `EXPR$3`, returning null instance. 2015-11-03 15:23:20,976 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO o.a.d.e.w.fragment.FragmentExecutor - 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested RUNNING --> FAILED 2015-11-03 15:23:20,976 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO o.a.d.e.w.fragment.FragmentExecutor - 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested FAILED --> FINISHED 2015-11-03 15:23:20,978 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] ERROR o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: ClassCastException: Cannot cast org.apache.drill.exec.vector.NullableIntVector to org.apache.drill.exec.vector.complex.RepeatedValueVector Fragment 0:0 [Error Id: c82c7f59-4dad-47ad-8901-5a2261c81279 on atsqa4-133.qa.lab:31010] org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: ClassCastException: Cannot cast org.apache.drill.exec.vector.NullableIntVector to org.apache.drill.exec.vector.complex.RepeatedValueVector Fragment 0:0 [Error Id: c82c7f59-4dad-47ad-8901-5a2261c81279 on atsqa4-133.qa.lab:31010] at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:534) ~[drill-common-1.2.0.jar:1.2.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:323) [drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:178) [drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:292) [drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.2.0.jar:1.2.0] 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] Caused by: java.lang.ClassCastException: Cannot cast org.apache.drill.exec.vector.NullableIntVector to org.apache.drill.exec.vector.complex.RepeatedValueVector at java.lang.Class.cast(Class.java:3176) ~[na:1.7.0_71] at org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.getFlattenFieldTransferPair(FlattenRecordBatch.java:270) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.setupNewSchema(FlattenRecordBatch.java:292) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext(FlattenRecordBatch.java:120) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.limit.LimitRecordBatch.innerNext(LimitRecordBatch.java:115) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:94) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:83) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:80) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:73) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:258) ~[drill-java-exec-1.2.0.jar:1.2.0] at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:252) ~[drill-java-exec-1.2.0.jar:1.2.0] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_71] at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_71] at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1566) ~[hadoop-common-2.5.1-mapr-1503.jar:na] at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:252) [drill-java-exec-1.2.0.jar:1.2.0] ... 4 common frames omitted 2015-11-03 15:23:20,998 [BitServer-4] WARN o.a.drill.exec.work.foreman.Foreman - Dropping request to move to COMPLETED state as query is already at FAILED state (which is terminal). 2015-11-03 15:23:20,998 [BitServer-4] WARN o.a.d.e.w.b.ControlMessageHandler - Dropping request to cancel fragment. 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0 does not exist. {code} I'm not sure about priority of this issue, 'limit 0' is generated by tools usually ... Leaving it as "Major" for now. -- This message was sent by Atlassian JIRA (v6.3.4#6332)