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https://issues.apache.org/jira/browse/PHOENIX-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16824813#comment-16824813
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Prashant Vithani commented on PHOENIX-5258:
-------------------------------------------

Not necessarily [~swaroopa]. Consider if the table is already present, but the 
CSV file is not spanning either whole table or have some extra columns which 
the table does not have.

In that case, the header will be useful in the mapping of a column of the with 
that of CSV. It can also be extended to the case that if CSV has an extra 
column which the table doesn't have, we can add the column dynamically from the 
header by taking the header schema as an input.

> Add support for header in input CSV for CsvBulkLoadTool
> -------------------------------------------------------
>
>                 Key: PHOENIX-5258
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5258
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Prashant Vithani
>            Priority: Minor
>
> Currently, CsvBulkLoadTool does not support reading header from the input csv 
> and expects the content of the csv to match with the table schema. The 
> support for the header can be added to dynamically map the schema with the 
> header.



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