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https://issues.apache.org/jira/browse/HIVE-19943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523456#comment-16523456
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Liam De Lee commented on HIVE-19943:
------------------------------------
no problem, However we will run this job (moving from external table to hive
table) every day and we have now around 218 tables (still counting) So for us
this does not seem like a very valid solution.
Is there any way this could be reported to Hive to get fixed? Because to me it
looks like a basic question.
I linked the ticket and explained what the problem is. I hope to hear from them
soon.
> 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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