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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3862) add "remove" as update option for atomically removing a value from a multivalued field
Date Thu, 20 Sep 2012 23:32:07 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460051#comment-13460051
] 

Hoss Man commented on SOLR-3862:
--------------------------------

something to consider is the semantics: should it be "remove by position" in the list, or
should it be "remove by value" and if it's "remove by value" then what happens if the value
occurs multiple times in the list?
                
> 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
>
> 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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