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https://issues.apache.org/jira/browse/HIVE-19943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523425#comment-16523425
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Liam De Lee commented on HIVE-19943:
------------------------------------
That is correct but that is for the external table only because we cannot do it
in orc because we import data from SAP to ADLS (Azure data lake store) and this
is in a csv file.
Okay will update my question there with your remarks if that is okay for you?
(will link to this ticket).
Is it then a problem with Hive itself that needs to be fixed? Because i guesse
this is no expected behavior right?
> Header values keep showing up in result sets
> --------------------------------------------
>
> Key: HIVE-19943
> URL: https://issues.apache.org/jira/browse/HIVE-19943
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 2.1.0
> Environment: Hdinsight Hive interactivequerry
> [Components|https://docs.microsoft.com/en-us/azure/hdinsight/hdinsight-component-versioning#hadoop-components-available-with-different-hdinsight-versions]
> Reporter: Liam De Lee
> Priority: Major
>
> We are using the tblproperties ("skip.header.line.count"="1") when creating
> an external table.
> When we do a select * from table we get it back as expected without the
> header present in the result set.
> However when we do for instance a count(1) we get the header back in this
> count (tested with a select * from table and paste it in notepad to find the
> amount of rows)
> If we also do this with a select distinct(column) from table we also get the
> header as a distinct value.
> file structure:
> ||_TESTING_TYPE||
> |adf|
> |hyg|
> |abc|
>
> *Update: 26/06/2018*
> Create statement:
> {code:java}
> -----------------------------------
> --test_type--
> -----------------------------------
> CREATE EXTERNAL TABLE IF NOT EXISTS ext.test_type_in
> (
> test_type string
> )
> ROW FORMAT DELIMITED
> FIELDS TERMINATED BY '\073'
> STORED AS TEXTFILE
> LOCATION 'adl://{adlslocation}data/data2/test'
> tblproperties ("skip.header.line.count"="1")
> {code}
> Select statement:
> {code:java}
> select * from test_type_in;
> {code}
> Distinct statement:
> {code:java}
> select distinct test_type from test_type_in ORDER BY test_type;
> {code}
> I cannot show the exact statement because of NDA so i changed those values to
> test.
>
> I can also tell you it is not just at our HDInsight but also at another
> company we are working for. It does not Mather what is in the data as well.
> so for testing purposes:
> {code:java}
> test_type,abcg,gjeiza,aze,grriajj,gd,rrjri,vdju{code}
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