[jira] [Commented] (SOLR-2802) Toolkit of UpdateProcessors for modifying document values

["Martijn van Groningen (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117957#comment-13117957 ] 

Martijn van Groningen commented on SOLR-2802:
---------------------------------------------

+1 This is really needed!
I think in general that processors should match nothing by default. Could lead to unexpected behaviour for users in the long run. If a user wants that a processor is applied to all compatible fields he / she can configure: 
{code:xml}<str name="fieldRegex">.*</str>{code} 

Or alternatively we can introduce a match all field like this: 
{code:xml}<str name="fieldName">*</str>{code} 
To make it somewhat easier for end users.
                
> Toolkit of UpdateProcessors for modifying document values
> ---------------------------------------------------------
>
>                 Key: SOLR-2802
>                 URL: https://issues.apache.org/jira/browse/SOLR-2802
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Hoss Man
>         Attachments: SOLR-2802_update_processor_toolkit.patch
>
>
> Frequently users ask about questions about things where the answer is "you could do it with an UpdateProcessor" but the number of our of hte box UpdateProcessors is generally lacking and there aren't even very good base classes for the common case of manipulating field values when adding documents

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