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From Jan Høydahl (Commented) (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SOLR-2802) Toolkit of UpdateProcessors for modifying document values
Date Fri, 30 Sep 2011 23:25:45 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118565#comment-13118565
] 

Jan Høydahl commented on SOLR-2802:
-----------------------------------

I think <copyField> should still remain in Schema, as it is often very tight linked
with things like copying fields for spellcheck or creating a facet field for an analyzed field.
Thus, it is much more clear when that config is distributed together in the schema, instead
of as a processor config, causing the schema design to fail if user selects another update.chain
than the one you expected etc. FieldCopy processor is made to copy, concatenate or rename
fields because you may need a fieldCopy in the context of one update.chain, but maybe not
in the context of another one.

My vision (which I'll also address in Barcelona) is to improve the updateChain architecture
in several ways, one is that script processors (SOLR-1725) become first-class citizen processors.
                
> 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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