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https://issues.apache.org/jira/browse/LUCENE-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ishan Chattopadhyaya reassigned LUCENE-7659:
--------------------------------------------

    Assignee: Ishan Chattopadhyaya

> IndexWriter should expose field names
> -------------------------------------
>
>                 Key: LUCENE-7659
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7659
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Ishan Chattopadhyaya
>            Assignee: Ishan Chattopadhyaya
>         Attachments: LUCENE-7659.patch, LUCENE-7659.patch, LUCENE-7659.patch
>
>
> While working on SOLR-5944, I needed a way to know whether applying an update 
> to a DV is possible (i.e. the DV exists or not), while deciding upon whether 
> or not to apply the update as an in-place update or a regular full document 
> update. This information is present at the IndexWriter in a FieldInfos 
> instance, and can be exposed.



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