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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4674) Can not cast 0 , 1 to boolean inside value constructor
Date Mon, 10 Oct 2016 07:59:20 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15561593#comment-15561593
] 

Khurram Faraaz commented on DRILL-4674:
---------------------------------------

Consider the case expression

{noformat}
<case expression> ::=
...
<searched case> ::=
  CASE <searched when clause>... [ <else clause> ] END
...
<searched when clause> ::=
  WHEN <search condition> THEN <result>
{noformat}

And <search condition> expands to boolean value expression 

{noformat}    
<search condition> ::=
  <boolean value expression>
{noformat}
  
casting 1 to a boolean type is a valid boolean value expression, not supporting this kind
of a cast is breaking a case expression that uses such a cast.

{nofotmat}
0: jdbc:drill:schema=dfs.tmp> select (case when cast(1 as boolean) then true else false
end) from (values(1));
Error: SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 1


[Error Id: d2b668e9-b6b6-40ed-bd07-296e718fddfd on centos-01.qa.lab:31010] (state=,code=0)
{noformat}

> Can not cast 0 , 1 to boolean inside value constructor
> ------------------------------------------------------
>
>                 Key: DRILL-4674
>                 URL: https://issues.apache.org/jira/browse/DRILL-4674
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>    Affects Versions: 1.7.0
>         Environment: 4 node cluster CentOS
>            Reporter: Khurram Faraaz
>
> Drill does not return results when we try to cast 0 and 1 to boolean inside a value constructor.
> Drill version : 1.7.0-SNAPSHOT  commit ID : 09b26277
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> values(cast(1 as boolean));
> Error: SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 1
> Fragment 0:0
> [Error Id: 35dcc4bb-0c5d-466f-8fb5-cf7f0a892155 on centos-02.qa.lab:31010] (state=,code=0)
> 0: jdbc:drill:schema=dfs.tmp> values(cast(0 as boolean));
> Error: SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010] (state=,code=0)
> {noformat}
> Where as we get results on Postgres for same query.
> {noformat}
> postgres=# values(cast(1 as boolean));
>  column1
> ---------
>  t
> (1 row)
> postgres=# values(cast(0 as boolean));
>  column1
> ---------
>  f
> (1 row)
> {noformat}
> Stack trace from drillbit.log
> {noformat}
> 2016-05-13 07:16:16,578 [28ca80bf-0af9-bc05-258b-6b5744739ed8:frag:0:0] ERROR o.a.d.e.w.fragment.FragmentExecutor
- SYSTEM ERROR: IllegalArgumentException: Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: IllegalArgumentException:
Invalid value for boolean: 0
> Fragment 0:0
> [Error Id: 2dbcafe2-92c7-475e-a2aa-9745ef72c1cc on centos-02.qa.lab:31010]
>         at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543)
~[drill-common-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:318)
[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:185)
[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:287)
[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
[drill-common-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_45]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_45]
>         at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> Caused by: java.lang.IllegalArgumentException: Invalid value for boolean: 0
>         at org.apache.drill.exec.test.generated.ProjectorGen9.doSetup(ProjectorTemplate.java:95)
~[na:na]
>         at org.apache.drill.exec.test.generated.ProjectorGen9.setup(ProjectorTemplate.java:93)
~[na:na]
>         at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:444)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:257)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:251)
~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_45]
>         at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_45]
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
~[hadoop-common-2.7.0-mapr-1602.jar:na]
>         at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:251)
[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
>         ... 4 common frames omitted
> {noformat}



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