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https://issues.apache.org/jira/browse/SOLR-1925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877465#action_12877465
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Kevin Black commented on SOLR-1925:
-----------------------------------

Hi Chris,

In your 1st point, are you saying that defining "fl=field1,field2,field3" will 
populate a column with empty quotes if field2 is missing in a document?

however, in my URL, I have "&fl=id,field3,field1,field2", but since some 
Documents do not have field2 data in the index, the output is missing columns: 
(quotes are not shown for clarity)

id,field1,field3
121,string1.1,string1.3
122,string2.1,string2.3
123,string3.1,string3.2,string3.3

In this example, both the 1st and 2nd Document are missing "field2" data, so 
'field2' is not even appearing in the header of my output, and neither record 
is populated with a empty placeholder for "field2".

Hopefully I'm being clear with my example.

Thanks!

> CSV Response Writer
> -------------------
>
>                 Key: SOLR-1925
>                 URL: https://issues.apache.org/jira/browse/SOLR-1925
>             Project: Solr
>          Issue Type: New Feature
>          Components: Response Writers
>         Environment: indep. of env.
>            Reporter: Chris A. Mattmann
>             Fix For: Next
>
>         Attachments: SOLR-1925.Mattmann.053010.patch.2.txt, 
> SOLR-1925.Mattmann.053010.patch.3.txt, SOLR-1925.Mattmann.053010.patch.txt
>
>
> As part of some work I'm doing, I put together a CSV Response Writer. It 
> currently takes all the docs resultant from a query and then outputs their 
> metadata in simple CSV format. The use of a delimeter is configurable (by 
> default if there are multiple values for a particular field they are 
> separated with a | symbol).

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