[jira] [Issue Comment Deleted] (HIVE-19943) Header values keep showing up in result sets

["Liam De Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-19943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liam De Lee updated HIVE-19943:
-------------------------------
    Comment: was deleted

(was: Yep, once you do some sort of sorting, or change the natural order it is not working as intended and you get the header back. Also if you do a count(1) you also get the header in the count.

For me it looks like that he first runs the query and then looks if a header is present or not. BUT the funny part is that if the header is in the data set he does not remove the top row so we do not lose a random row but we do see the header which is totally crazy.)

> 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}
> -----------------------------------
> --sap_0bill_typea--
> -----------------------------------
> 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}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)