[jira] [Commented] (SOLR-5378) Suggester Version 2

["Areek Zillur (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-5378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13802726#comment-13802726 ] 

Areek Zillur commented on SOLR-5378:
------------------------------------

Note: the dictionary implementations still have spellcheck parameters in the tests, will fix in next patch.

> Suggester Version 2
> -------------------
>
>                 Key: SOLR-5378
>                 URL: https://issues.apache.org/jira/browse/SOLR-5378
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Areek Zillur
>         Attachments: SOLR-5378.patch
>
>
> The idea is to add a new Suggester Component that will eventually replace the Suggester support through the SpellCheck Component.
> This will enable Solr to fully utilize the Lucene suggester module (along with supporting most of the existing features) in the following ways:
>    - Dictionary pluggability (give users the option to choose the dictionary implementation to use for their suggesters to consume)
>    - Map the suggester options/ suggester result format (e.g. support for payload)
>    - The new Component will also allow us to have "beefier" Lookup support instead of resorting to collation and such. (Move computation from query time to index time) with more freedom
> In addition to this, this suggester version should also have support for distributed support, which was awkward at best with the previous implementation due to SpellCheck requirements.
> Example query:
> {code}
> http://localhost:8983/solr/suggest?suggest.dictionary=mySuggester&suggest=true&suggest.build=true&suggest.q=elec
> {code}
> Distributed query:
> {code}
> http://localhost:7574/solr/suggest?suggest.dictionary=mySuggester&suggest=true&suggest.build=true&suggest.q=elec&shards=localhost:8983/solr,localhost:7574/solr&shards.qt=/suggest
> {code}
> Example Response:
> {code}
> <response>
> <lst name="responseHeader">
> <int name="status">0</int>
> <int name="QTime">28</int>
> </lst>
> <str name="command">build</str>
> <result name="response" numFound="0" start="0" maxScore="0.0"/>
> <lst name="suggest">
> <lst name="suggestions">
> <lst name="e">
> <int name="numFound">3</int>
> <lst name="suggestion">
> <str name="term">electronics and computer1</str>
> <long name="weight">2199</long>
> <str name="payload"/>
> </lst>
> <lst name="suggestion">
> <str name="term">electronics</str>
> <long name="weight">649</long>
> <str name="payload"/>
> </lst>
> <lst name="suggestion">
> <str name="term">electronics</str>
> <long name="weight">649</long>
> <str name="payload"/>
> </lst>
> </lst>
> </lst>
> </lst>
> </response>
> {code}
> Example config file:
> {code}
>   <searchComponent name="suggest" class="solr.SuggestComponent">
>   	<lst name="suggester">
>       <str name="name">mySuggester</str>
>       <str name="lookupImpl">FuzzyLookupFactory</str> 
>       <str name="dictionaryImpl">DocumentDictionaryFactory</str> 
>       <str name="field">cat</str>
>       <str name="weightField">price</str>
>       <str name="suggestAnalyzerFieldType">string</str>
>     </lst>
>   </searchComponent>
> {code}



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