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https://issues.apache.org/jira/browse/SOLR-3173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated SOLR-3173:
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Fix Version/s: (was: 4.7)
4.8
> Database semantics - insert and update
> --------------------------------------
>
> Key: SOLR-3173
> URL: https://issues.apache.org/jira/browse/SOLR-3173
> Project: Solr
> Issue Type: New Feature
> Components: update
> Affects Versions: 3.5
> Environment: All
> Reporter: Per Steffensen
> Assignee: Per Steffensen
> Labels: RDBMS, insert, nosql, uniqueKey, update
> Fix For: 4.8
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> In order increase the ability of Solr to be used as a NoSql database (lots of
> concurrent inserts, updates, deletes and queries in the entire lifetime of
> the index) instead of just a search index (first: everything indexed (in one
> thread), after: only queries), I would like Solr to support the following
> features inspired by RDBMSs and other NoSql databases.
> * Given a solr-core with a schema containing a uniqueKey-field "uniqueField"
> and a document Dold, when trying to INSERT a new document Dnew where
> Dold.uniqueField is equal to Dnew.uniqueField, then I want a
> DocumentAlredyExists error. If no such document Dold exists I want Dnew
> indexed into the solr-core.
> * Given a solr-core with a schema containing a uniqueKey-field "uniqueField"
> and a document Dold, when trying to UPDATE a document Dnew where
> Dold.uniqueField is equal to Dnew.uniqueField I want Dold deleted from and
> Dnew added to the index (just as it is today).If no such document Dold exists
> I want nothing to happen (Dnew is not added to the index)
> The essence of this issue is to be able to state your intent (insert or
> update) and have slightly different semantics (from each other and the
> existing update) depending on you intent.
> The functionality provided by this issue is only really meaningfull when you
> run with "updateLog" activated.
> This issue might be solved more or less at the same time as SOLR-3178, and
> only one single SVN patch might be given to cover both issues.
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