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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2017/01/16 10:16:26 UTC
[jira] [Commented] (DRILL-5197) CASE statement fails due to error:
Unable to get value vector class for minor type [NULL] and mode [OPTIONAL]
[ https://issues.apache.org/jira/browse/DRILL-5197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15823720#comment-15823720 ]
Khurram Faraaz commented on DRILL-5197:
---------------------------------------
[~sharnyk] Can this be related to recent changes that were made to support case expressions with constants ?
> CASE statement fails due to error: Unable to get value vector class for minor type [NULL] and mode [OPTIONAL]
> -------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-5197
> URL: https://issues.apache.org/jira/browse/DRILL-5197
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Affects Versions: 1.9.0
> Reporter: Muhammad Gelbana
>
> The following query fails for no obvious reason
> {code:sql}
> SELECT
> CASE
> WHEN `tname`.`full_name` = 'ABC'
> THEN
> (
> CASE
> WHEN `tname`.`full_name` = 'ABC'
> THEN
> (
> CASE
> WHEN `tname`.`full_name` = ' '
> THEN
> (
> CASE
> WHEN `tname`.`full_name` = 'ABC'
> THEN `tname`.`full_name`
> ELSE NULL
> END
> )
> ELSE NULL
> END
> )
> ELSE NULL
> END
> )
> WHEN `tname`.`full_name` = 'ABC'
> THEN NULL
> ELSE NULL
> END
> FROM
> cp.`employee.json` `tname`
> {code}
> If the `THEN `tname`.`full_name`` statements is changed to `THEN 'ABC'` the error does not occur.
> Thrown exception
> {noformat}
> [Error Id: e75fd0fe-132b-4eb4-b2e8-7b34dc39657e on mgelbana-incorta:31010]
> at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543) ~[drill-common-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293) [drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160) [drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262) [drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.9.0.jar:1.9.0]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_111]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_111]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_111]
> Caused by: java.lang.UnsupportedOperationException: Unable to get value vector class for minor type [NULL] and mode [OPTIONAL]
> at org.apache.drill.exec.expr.BasicTypeHelper.getValueVectorClass(BasicTypeHelper.java:441) ~[vector-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.record.VectorContainer.addOrGet(VectorContainer.java:123) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:463) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226) ~[drill-java-exec-1.9.0.jar:1.9.0]
> at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_111]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_111]
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) ~[hadoop-common-2.7.1.jar:na]
> at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226) [drill-java-exec-1.9.0.jar:1.9.0]
> ... 4 common frames omitted
> {noformat}
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