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Posted to issues@drill.apache.org by "Anton Gozhiy (Jira)" <ji...@apache.org> on 2019/09/19 15:04:00 UTC

[jira] [Created] (DRILL-7381) Query to a map field returns nulls with hive native reader

Anton Gozhiy created DRILL-7381:
-----------------------------------

             Summary: Query to a map field returns nulls with hive native reader
                 Key: DRILL-7381
                 URL: https://issues.apache.org/jira/browse/DRILL-7381
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.17.0
            Reporter: Anton Gozhiy
         Attachments: customer_complex.zip

*Query:*
{code:sql}
select t.c_nation.n_region.r_name from hive.customer_complex t limit 5
{code}

*Expected results:*
{noformat}
AFRICA
MIDDLE EAST
AMERICA
MIDDLE EAST
AMERICA
{noformat}

*Actual results:*
{noformat}
null
null
null
null
null
{noformat}

*Workaround:*

{code:sql}
set store.hive.optimize_scan_with_native_readers = false;
{code}



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