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https://issues.apache.org/jira/browse/DRILL-6181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arina Ielchiieva updated DRILL-6181:
------------------------------------
Fix Version/s: 1.17.0
> CTAS should support writing nested structures (nested lists) to parquet.
> ------------------------------------------------------------------------
>
> Key: DRILL-6181
> URL: https://issues.apache.org/jira/browse/DRILL-6181
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Parquet
> Affects Versions: 1.12.0
> Reporter: Khurram Faraaz
> Priority: Major
> Fix For: 1.17.0
>
>
> Both Parquet and Hive support writing nested structures into parquet
> https://issues.apache.org/jira/browse/HIVE-8909
> https://issues.apache.org/jira/browse/PARQUET-113
> A CTAS from Drill fails when there is a nested list of lists, in one of the
> columns in the project.
> JSON data used in the test, note that "arr" is a nested list of lists
>
> {noformat}
> [root@qa102-45 ~]# cat jsonToParquet_02.json
> {"id":"123","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"3","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"13","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"12","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"2","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"1","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"230","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"1230","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"1123","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"2123","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> {"id":"1523","arr":[[1,2,3,4],[5,6,7,8,9,10],[11,12,13,14,15]]}
> [root@qa102-45 ~]#
> {noformat}
> CTAS fails with UnsupportedOperationException on Drill 1.12.0-mapr commit id
> bb07ebbb9ba8742f44689f8bd8efb5853c5edea0
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> CREATE TABLE tbl_prq_from_json_02 as select
> id, arr from `jsonToParquet_02.json`;
> Error: SYSTEM ERROR: UnsupportedOperationException: Unsupported type LIST
> Fragment 0:0
> [Error Id: 7e5b3c2d-9cf1-4e87-96c8-e7e7e8055ddf on qa102-45.qa.lab:31010]
> (state=,code=0)
> {noformat}
> Stack trace from drillbit.log
> {noformat}
> 2018-02-22 09:56:54,368 [2570fb99-62da-a516-2c1f-0381e21723ae:frag:0:0] ERROR
> o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR:
> UnsupportedOperationException: Unsupported type LIST
> Fragment 0:0
> [Error Id: 7e5b3c2d-9cf1-4e87-96c8-e7e7e8055ddf on qa102-45.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> UnsupportedOperationException: Unsupported type LIST
> Fragment 0:0
> [Error Id: 7e5b3c2d-9cf1-4e87-96c8-e7e7e8055ddf on qa102-45.qa.lab:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:586)
> ~[drill-common-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:301)
> [drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
> [drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:267)
> [drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.12.0-mapr.jar:1.12.0-mapr]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [na:1.8.0_161]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_161]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_161]
> Caused by: java.lang.UnsupportedOperationException: Unsupported type LIST
> at
> org.apache.drill.exec.store.parquet.ParquetRecordWriter.getType(ParquetRecordWriter.java:253)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.store.parquet.ParquetRecordWriter.newSchema(ParquetRecordWriter.java:205)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.store.parquet.ParquetRecordWriter.updateSchema(ParquetRecordWriter.java:190)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.WriterRecordBatch.setupNewSchema(WriterRecordBatch.java:157)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.WriterRecordBatch.innerNext(WriterRecordBatch.java:103)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:164)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:164)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:105)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:79)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:95)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:234)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:227)
> ~[drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_161]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_161]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
> ~[hadoop-common-2.7.0-mapr-1707.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:227)
> [drill-java-exec-1.12.0-mapr.jar:1.12.0-mapr]
> ... 4 common frames omitted
> {noformat}
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