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https://issues.apache.org/jira/browse/SOLR-5944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381335#comment-14381335
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Shai Erera commented on SOLR-5944:
----------------------------------

bq. Making _version_ as a dv field.

I think that's a good idea and can be handled separately, as a precursor to 
this issue?

bq. For each dv field, we could have a dv version field, and update the 
document partially using just the dv field and its own version field.

I think it complicates things. Now there is a \_version\_ field for the whole 
document, which isn't updated on NDV update, but a separate dvField_version... 
seems will get confusing really quickly. And on a whole document update 
operation, need to remember to reset the dvField_version for every NDV, whether 
it was updated in the past or not, which also adds unnecessary information to 
the index.

> Support updates of numeric DocValues
> ------------------------------------
>
>                 Key: SOLR-5944
>                 URL: https://issues.apache.org/jira/browse/SOLR-5944
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ishan Chattopadhyaya
>            Assignee: Shalin Shekhar Mangar
>         Attachments: SOLR-5944.patch, SOLR-5944.patch, SOLR-5944.patch, 
> SOLR-5944.patch, SOLR-5944.patch, SOLR-5944.patch, SOLR-5944.patch, 
> SOLR-5944.patch, SOLR-5944.patch
>
>
> LUCENE-5189 introduced support for updates to numeric docvalues. It would be 
> really nice to have Solr support this.



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