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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1925) CSV Response Writer
Date Wed, 14 Jul 2010 22:56:54 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12888598#action_12888598
] 

Yonik Seeley commented on SOLR-1925:
------------------------------------

I took a quick look... here are some of the issues I see:
 - loses info by removing newlines
 - always encapsulates with quotes - not as readable
 - doesn't escape encapsulator in values
 - doesn't escape separator in multi-valued fields
 - isn't really nested CSV, so it's not compatible with the CSVLoader
 - uses System.getProperty("line.separator")... we should avoid different behavior on different
platforms
 - doesn't stream documents (dumping your entire index will be one use case)
 - performance: patterns shouldn't be compiled per-doc

> 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
>            Assignee: Erik Hatcher
>             Fix For: Next
>
>         Attachments: SOLR-1925.Chheng.071410.patch.txt, SOLR-1925.Mattmann.053010.patch.2.txt,
SOLR-1925.Mattmann.053010.patch.3.txt, SOLR-1925.Mattmann.053010.patch.txt, SOLR-1925.Mattmann.061110.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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