Khurram Faraaz created DRILL-6181:
-------------------------------------
Summary: 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
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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