[jira] Commented: (SOLR-81) Add Query Spellchecker functionality

["Yonik Seeley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12477547 ] 

Yonik Seeley commented on SOLR-81:
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Is spelling check normally going to be integrated into the "main" index, or will it normally be a separate index?
If the latter, does it make more sense for some of this (the field definitions & handler) to be in contrib instead of core?

Any other way to avoid "cluttering" the current schema.xml?

If spelling check is to be a core feature (that one can turn on for any field in any index), it seems like it needs to be easier to configure.  Having the user define all the ngram fields, fieldTypes, and copyField statements doesn't seem ideal.

If, however, this is more of a "configuration" of solr used for spell-checking, it might make more sense for contrib.

> Add Query Spellchecker functionality
> ------------------------------------
>
>                 Key: SOLR-81
>                 URL: https://issues.apache.org/jira/browse/SOLR-81
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Otis Gospodnetic
>            Priority: Minor
>         Attachments: SOLR-81-edgengram-ngram.patch, SOLR-81-ngram-schema.patch, SOLR-81-ngram.patch, SOLR-81-ngram.patch, SOLR-81-ngram.patch, SOLR-81-ngram.patch, SOLR-81-spellchecker.patch
>
>
> Use the simple approach of n-gramming outside of Solr and indexing n-gram documents.  For example:
> <doc>
> <field name="word">lettuce</field>
> <field name="start3">let</field>
> <field name="gram3">let ett ttu tuc uce</field>
> <field name="end3">uce</field>
> <field name="start4">lett</field>
> <field name="gram4">lett ettu ttuc tuce</field>
> <field name="end4">tuce</field>
> </doc>
> See:
> http://www.mail-archive.com/solr-user@lucene.apache.org/msg01254.html
> Java clients: SOLR-20 (add delete commit optimize), SOLR-30 (search)

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