[jira] [Commented] (SOLR-6720) Update of a multivalued property with an empty list deletes all properties

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-6720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14205944#comment-14205944 ] 

Shalin Shekhar Mangar commented on SOLR-6720:
---------------------------------------------

I just tried this and it works as expected on trunk/branch_5x. Updating with null or empty list, removes the multi-valued field which was updated. All other fields of the document are preserved. What do you expect the result to be?

> Update of a multivalued property with an empty list deletes all properties
> --------------------------------------------------------------------------
>
>                 Key: SOLR-6720
>                 URL: https://issues.apache.org/jira/browse/SOLR-6720
>             Project: Solr
>          Issue Type: Bug
>          Components: update
>    Affects Versions: 4.10
>         Environment: Windows 7 64 bit
>            Reporter: Günther Ruck
>
> I tried to update a multivalued-Property of a Solr-Dokument with an empty list. In Solrj I took the option 'set' to replace the current value.
> After the update operation all properties of the document are deleted.
> The operation works as expected if update is called with "null" instead of the empty list.



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