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From "Paul Rogers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5498) CSV text reader does not properly handle duplicate header names
Date Fri, 19 May 2017 01:00:25 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Rogers updated DRILL-5498:
-------------------------------
    Labels: ready-to-commit  (was: )

> CSV text reader does not properly handle duplicate header names
> ---------------------------------------------------------------
>
>                 Key: DRILL-5498
>                 URL: https://issues.apache.org/jira/browse/DRILL-5498
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.8.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>            Priority: Minor
>              Labels: ready-to-commit
>
> Consider the following CSV file:
> {code}
> h,h,h
> a,b,c
> d,e,f
> {code}
> Parse this with the CSV storage plugins to parse headers. The result:
> {code}
> 2 row(s):
> h
> c
> f
> {code}
> Expected a runtime error for the duplicate column names, or automatic "uniqification"
of the names. Certainly did not expect the first two columns to be dropped.



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