[jira] [Created] (HIVE-10331) ORC : Is null SARG filters out all row groups written in old ORC format

["Mostafa Mokhtar (JIRA)" <ji...@apache.org>]

Mostafa Mokhtar created HIVE-10331:
--------------------------------------

             Summary: ORC : Is null SARG filters out all row groups written in old ORC format
                 Key: HIVE-10331
                 URL: https://issues.apache.org/jira/browse/HIVE-10331
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 1.1.0
            Reporter: Mostafa Mokhtar
            Assignee: Prasanth Jayachandran
             Fix For: 1.2.0


Queries are returning wrong results as all row groups gets filtered out and no rows get scanned.

{code}
SELECT 
  count(*)
    FROM
        store_sales
    WHERE
        ss_addr_sk IS NULL
{code}

With hive.optimize.index.filter disabled we get the correct results



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