[jira] [Commented] (DRILL-5186) IS NULL not Working for where condition on INTEGER Column where it has no rows to return

["Khurram Faraaz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-5186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15814371#comment-15814371 ] 

Khurram Faraaz commented on DRILL-5186:
---------------------------------------

Can you please share the stack trace from drillbit.log ?
Is the data in parquet format or text ?, or is the query run over a table in Oracle database ?


> IS NULL not Working for where condition on INTEGER Column where it has no rows to return
> ----------------------------------------------------------------------------------------
>
>                 Key: DRILL-5186
>                 URL: https://issues.apache.org/jira/browse/DRILL-5186
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.8.0
>            Reporter: Ravan
>
> Query1: (Working)
> select * from orcl.DEV.emp where ename is null
> O/P: No Results Found
> Query2: (Working)
> select * from orcl.DEV.emp where comm is null
> Query3: (Getting below Exception)
> select * from orcl.DEV.emp where empno is null
> Getting below exception:-
> Query Failed: An Error Occurred
> org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: NullPointerException
> No use even after altering as
> alter session set `drill.exec.functions.cast_empty_string_to_null` = true;



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