[jira] [Resolved] (DRILL-7020) big varchar doesn't work with extractHeader=true

["Anton Gozhiy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-7020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Gozhiy resolved DRILL-7020.
---------------------------------
    Resolution: Duplicate

> big varchar doesn't work with extractHeader=true
> ------------------------------------------------
>
>                 Key: DRILL-7020
>                 URL: https://issues.apache.org/jira/browse/DRILL-7020
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Text & CSV
>    Affects Versions: 1.15.0
>            Reporter: benj
>            Priority: Major
>
> with a TEST file of csv type like
> {code:java}
> col1,col2
> w,x
> ...y...,z
> {code}
> where ...y... is > 65536 characters string (let say 66000 for example)
> SELECT with +*extractHeader=false*+ are OK
> {code:java}
> SELECT * FROM TABLE(tmp.`TEST`(type => 'text', fieldDelimiter => ',', extractHeader => false));
>     col1  | col2
> +---------+------
> | w       | x
> | ...y... | z
> {code}
> But SELECT with +*extractHeader=true*+ gives an error
> {code:java}
> SELECT * FROM TABLE(tmp.`TEST`(type => 'text', fieldDelimiter => ',', extractHeader => true));
> Error: UNSUPPORTED_OPERATION ERROR: Trying to write something big in a column
> columnIndex 1
> Limit 65536
> Fragment 0:0
> {code}
> Note that is possible to use extractHeader=false with skipFirstLine=true but in this case it's not possible to automatically get columns names.



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