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Posted to dev@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2017/11/08 23:07:01 UTC
[jira] [Created] (DRILL-5945) Streaming aggregate does not support
schema changes
Khurram Faraaz created DRILL-5945:
-------------------------------------
Summary: Streaming aggregate does not support schema changes
Key: DRILL-5945
URL: https://issues.apache.org/jira/browse/DRILL-5945
Project: Apache Drill
Issue Type: Bug
Components: Execution - Flow
Affects Versions: 1.11.0
Reporter: Khurram Faraaz
There are two JSON files, one of the arrays "arr" in f2.json is empty, whereas array "arr" in f1.json is not empty, a count on arr results in, "Streaming aggregate does not support schema changes"
{noformat}
0: jdbc:drill:schema=dfs.tmp> select count(arr) from `f*.json`;
Error: UNSUPPORTED_OPERATION ERROR: Streaming aggregate does not support schema changes
Prior schema :
BatchSchema [fields=[arr(VARCHAR:REPEATED) [$data$(VARCHAR:REQUIRED)]], selectionVector=NONE]
New schema :
BatchSchema [fields=[arr(INT:REPEATED) [$data$(INT:REQUIRED)]], selectionVector=NONE]
Fragment 0:0
[Error Id: 9081b02f-0de8-486a-b58b-f28ec3b84d98 on centos-01.qa.lab:31010] (state=,code=0)
{noformat}
Stack trace from drillbit.log
{noformat}
2017-11-08 13:36:48,159 [25fc870f-e4d6-7107-c6cc-6e68ba92c4ba:frag:0:0] INFO o.a.d.e.p.i.a.StreamingAggBatch - User Error Occurred: Streaming aggregate does not support schema changes
Prior schema :
BatchSchema [fields=[arr(VARCHAR:REPEATED) [$data$(VARCHAR:REQUIRED)]], selectionVector=NONE]
New schema :
BatchSchema [fields=[arr(INT:REPEATED) [$data$(INT:REQUIRED)]], selectionVector=NONE]
org.apache.drill.common.exceptions.UserException: UNSUPPORTED_OPERATION ERROR: Streaming aggregate does not support schema changes
Prior schema :
BatchSchema [fields=[arr(VARCHAR:REPEATED) [$data$(VARCHAR:REQUIRED)]], selectionVector=NONE]
New schema :
BatchSchema [fields=[arr(INT:REPEATED) [$data$(INT:REQUIRED)]], selectionVector=NONE]
[Error Id: 9081b02f-0de8-486a-b58b-f28ec3b84d98 ]
at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:586) ~[drill-common-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch.innerNext(StreamingAggBatch.java:207) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:164) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:164) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:105) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:95) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:234) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:227) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_144]
at javax.security.auth.Subject.doAs(Subject.java:422) [na:1.8.0_144]
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595) [hadoop-common-2.7.0-mapr-1607.jar:na]
at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:227) [drill-java-exec-1.11.0-mapr.jar:1.11.0-mapr]
at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.11.0-mapr.jar:1.11.0-mapr]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_144]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_144]
{noformat}
Data used in the query
{noformat}
[root@centos-01 json_data]# cat f1.json
{
"id":1,
"arr":["str1","str2","str3","str4"]
}
[root@centos-01 json_data]# cat f2.json
{
"id":2,
"arr":[]
}
From sqlline
OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=512M; support was removed in 8.0
apache drill 1.11.0-mapr
"got drill?"
0: jdbc:drill:schema=dfs.tmp> select * from `f*.json`;
+-----+--------------------------------+
| id | arr |
+-----+--------------------------------+
| 1 | ["str1","str2","str3","str4"] |
| 2 | [] |
+-----+--------------------------------+
2 rows selected (0.447 seconds)
0: jdbc:drill:schema=dfs.tmp> select * from `f1.json`;
+-----+--------------------------------+
| id | arr |
+-----+--------------------------------+
| 1 | ["str1","str2","str3","str4"] |
+-----+--------------------------------+
1 row selected (0.202 seconds)
0: jdbc:drill:schema=dfs.tmp> select * from `f2.json`;
+-----+------+
| id | arr |
+-----+------+
| 2 | [] |
+-----+------+
1 row selected (0.199 seconds)
{noformat}
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