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https://issues.apache.org/jira/browse/SOLR-3946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexandre Rafalovitch resolved SOLR-3946.
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Resolution: Won't Fix
> Support delta import in SolrEntityProcessor
> -------------------------------------------
>
> Key: SOLR-3946
> URL: https://issues.apache.org/jira/browse/SOLR-3946
> Project: Solr
> Issue Type: Improvement
> Components: clients - java
> Affects Versions: 4.0
> Reporter: jefferyyuan
> Priority: Minor
> Labels: SolrEntityProcessor, deltaimport
> Fix For: 6.0, 4.9
>
>
> SolrEntityProcessor is very useful to copy a part of index from central solr
> to another solr server based on some query.
> But its function is quite limited, doesn't support delta import, which is a
> quite useful feature, for example:
> One central solr server stores index of all docs, in the index we record
> information such as owner, last_modified and etc. Then create a local cache
> solr server in client side which only contains index of docs created by this
> user, so user can search his/her docs even when there is no internet
> connection. After the first full import to copy index of doc created by this
> user in last several weeks (or month), we want to update index in client's
> local solr server consistently from the central server.
> But now, we can't do this, as SolrEntityProcessor doesn't support
> delta-import - which already supports in SqlEntityProcessor: using
> deltaQuery, deltaImportQuery to do delta-import, using deletedPkQuery to
> remove deleted index when do delta-import.
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