[jira] Commented: (SOLR-139) Support updateable/modifiable documents

["Marcus Herou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12702778#action_12702778 ] 

Marcus Herou commented on SOLR-139:
-----------------------------------

It would make sense of adding ParallelReader functionality so a core can read from several index-dirs. 
Guess it complicates things a little since you would need to have support for adding data as well to more than one index.

Suggestion:
/update/coreX/index1 - Uses schema1.xml
/update/coreX/index2 - Uses schema2.xml
/select/coreX - Uses all schemas e.g. A ParallelReader.

Seing quite a lot questions on the mailinglist about users that want to be able to update a single field while maintaining the rest of the index intact (not reindex).



> Support updateable/modifiable documents
> ---------------------------------------
>
>                 Key: SOLR-139
>                 URL: https://issues.apache.org/jira/browse/SOLR-139
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>            Reporter: Ryan McKinley
>            Assignee: Ryan McKinley
>             Fix For: 1.5
>
>         Attachments: Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, getStoredFields.patch, getStoredFields.patch, getStoredFields.patch, getStoredFields.patch, getStoredFields.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-IndexDocumentCommand.patch, SOLR-139-ModifyInputDocuments.patch, SOLR-139-ModifyInputDocuments.patch, SOLR-139-ModifyInputDocuments.patch, SOLR-139-ModifyInputDocuments.patch, SOLR-139-XmlUpdater.patch, SOLR-269+139-ModifiableDocumentUpdateProcessor.patch
>
>
> It would be nice to be able to update some fields on a document without having to insert the entire document.
> Given the way lucene is structured, (for now) one can only modify stored fields.
> While we are at it, we can support incrementing an existing value - I think this only makes sense for numbers.
> for background, see:
> http://www.nabble.com/loading-many-documents-by-ID-tf3145666.html#a8722293

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