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https://issues.apache.org/jira/browse/SOLR-7208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erick Erickson resolved SOLR-7208.
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Resolution: Not a Problem
There's a workaround, and no convincing argument has been made for why this is
desirable.
> CSV response support for returning same column name multiple times
> ------------------------------------------------------------------
>
> Key: SOLR-7208
> URL: https://issues.apache.org/jira/browse/SOLR-7208
> Project: Solr
> Issue Type: Task
> Affects Versions: 4.10.2
> Environment: Open Suse 14
> Reporter: Nagabhushan
> Priority: Trivial
>
> the CSV response writer will not currenlty generate CSV output in which 2
> columns have identical names, ie, in the techproducts example
> {{wt=csv&fl=id,name,id,manu_id_s}} generates a CSV file with only 3 columns
> (id, name, manu_id_s)
> A work around for people who really want the same data to come back in 2 diff
> columns is to use fl field aliasing:
> {{wt=csv&fl=id,name,id_again:id,manu_id_s}} which will produce a redundent
> "id" column using the column name "id_again"
> there is no known workarround to get 2 columns in the CSV output with the
> same name (regardless of wether they come from the same original field or
> transformer)
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