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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-139) Support updateable/modifiable documents
Date Sat, 05 May 2012 16:45:58 GMT

     [ https://issues.apache.org/jira/browse/SOLR-139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yonik Seeley updated SOLR-139:
------------------------------

    Attachment: SOLR-139.patch

Here's a patch for updateable docs that reuses the infrastructure we put in place around versioning
and realtime-get.

Only the JSON parser is currently implemented.

Recall that a normal field value in JSON is of the form:
{code}
"myfield":10
{code}

This patch extends the JSON parser to support extended values as a Map.  For example, to add
an additional value to a multi-valued field, you would use
{code}
"myfield":{"add":10}
{code}

Using an existing data structure (a Map) should allow us to pass this through javabin format
w/o any additional changes.

This patch depends on optimistic locking (it's currently included in this patch) and updating
documents fully supports optimistic locking (i.e. you can conditionally update a document
based on it's version)

Right now only "add" and "set" are supported as mutators (and setting a null value is like
"remove"), but I figured it would be best to do a slice first from start to finish.

Comments?
                
> 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
>         Attachments: Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch,
Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch, Eriks-ModifiableDocument.patch,
Eriks-ModifiableDocument.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-139.patch, SOLR-269+139-ModifiableDocumentUpdateProcessor.patch,
getStoredFields.patch, getStoredFields.patch, getStoredFields.patch, getStoredFields.patch,
getStoredFields.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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