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https://issues.apache.org/jira/browse/SOLR-3862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13957603#comment-13957603
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Erick Erickson commented on SOLR-3862:
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Don't quite know. In case you're wondering, I've been a bit under the weather
so haven't been looking for a couple of days.
Even though I mentioned that back references are not supported, I'd rank
supporting that over multiple regexes.
Its not clear to me how useful multiple regexes really would be though. I
suppose if we're trying to get the interface in place it would be best to
clarify that up front though. Straw-man. Let's put multiple regexes in as in my
example.
[[email protected]] got an opinion here?
> add "remove" as update option for atomically removing a value from a
> multivalued field
> --------------------------------------------------------------------------------------
>
> Key: SOLR-3862
> URL: https://issues.apache.org/jira/browse/SOLR-3862
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 4.0-BETA
> Reporter: Jim Musil
> Assignee: Erick Erickson
> Attachments: SOLR-3862-2.patch, SOLR-3862-3.patch, SOLR-3862-4.patch,
> SOLR-3862.patch, SOLR-3862.patch
>
>
> Currently you can atomically "add" a value to a multivalued field. It would
> be useful to be able to "remove" a value from a multivalued field.
> When you "set" a multivalued field to null, it destroys all values.
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