[jira] [Commented] (DRILL-6223) Drill fails on Schema changes

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-6223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16668561#comment-16668561 ] 

ASF GitHub Bot commented on DRILL-6223:
---------------------------------------

vdiravka commented on issue #1170: DRILL-6223: Fixed several Drillbit failures due to schema changes
URL: https://github.com/apache/drill/pull/1170#issuecomment-434259969
 
 
   @sachouche Could you please respond to review comments? Should the changes be revised? 

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> Drill fails on Schema changes 
> ------------------------------
>
>                 Key: DRILL-6223
>                 URL: https://issues.apache.org/jira/browse/DRILL-6223
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Execution - Relational Operators
>    Affects Versions: 1.10.0, 1.12.0
>            Reporter: salim achouche
>            Assignee: salim achouche
>            Priority: Major
>
> Drill Query Failing when selecting all columns from a Complex Nested Data File (Parquet) Set). There are differences in Schema among the files:
>  * The Parquet files exhibit differences both at the first level and within nested data types
>  * A select * will not cause an exception but using a limit clause will
>  * Note also this issue seems to happen only when multiple Drillbit minor fragments are involved (concurrency higher than one)



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