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Posted to dev@drill.apache.org by "salim achouche (JIRA)" <ji...@apache.org> on 2018/03/08 16:57:00 UTC

[jira] [Created] (DRILL-6222) Drill fails on Schema hanges

salim achouche created DRILL-6222:
-------------------------------------

             Summary: Drill fails on Schema hanges 
                 Key: DRILL-6222
                 URL: https://issues.apache.org/jira/browse/DRILL-6222
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Relational Operators
    Affects Versions: 1.12.0, 1.10.0
            Reporter: salim achouche
            Assignee: salim achouche


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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