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https://issues.apache.org/jira/browse/SOLR-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12477568
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Adam Hiatt 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?
AH: It is 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?
AH: That would be fine by me. However, it should be noted that it can be turned
on for any field.
> 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.
AH: I think there is some confusion over Otis's version and mine. I was never
able to get Otis's version (single index using ngram types + copyfields)
working fully so I went with the pure SpellChecker implementation that doesn't
require any of that (no schema.xml additions) It just needs for the user to use
a custom request handler to query for spelling corrections (Otis wrote the
original) and a custom commit handler (based on CommitRequestHandler) to
rebuild the spell checker index.
For the record the version I commited is:
https://issues.apache.org/jira/secure/attachment/12352485/SOLR-81-spellchecker.patch
> 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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