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Posted to dev@lucene.apache.org by "Nicholas Jakobsen (JIRA)" <ji...@apache.org> on 2014/03/17 17:41:44 UTC
[jira] [Commented] (SOLR-1387) Add more search options for
filtering field facets.
[ https://issues.apache.org/jira/browse/SOLR-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938006#comment-13938006 ]
Nicholas Jakobsen commented on SOLR-1387:
-----------------------------------------
[~kaukas], we had the same problems as you describe, can't show users downcased results, "prefix" must match any word, not just anchored at the beginning of the token. What we ended up doing is encoding more information in the tokenized values than just the result. We included the downcased search term and the term to display, but delimited them with a tab, e.g. "star wars Star Wars". Then in our app we grabbed the last half and showed it to the user. As for getting a matching prefix on different words, e.g. "wars", we created multiple tokens where we chomped a word off each time. e.g. "star wars Star Wars", "wars Star Wars". Each has the same "display portion", but we now have full control over the "matching portion".
> Add more search options for filtering field facets.
> ---------------------------------------------------
>
> Key: SOLR-1387
> URL: https://issues.apache.org/jira/browse/SOLR-1387
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Anil Khadka
> Fix For: 4.8
>
>
> Currently for filtering the facets, we have to use prefix (which use String.startsWith() in java).
> We can add some parameters like
> * facet.iPrefix : this would act like case-insensitive search. (or ---> facet.prefix=a&facet.caseinsense=on)
> * facet.regex : this is pure regular expression search (which obviously would be expensive if issued).
> Moreover, allowing multiple filtering for same field would be great like
> facet.prefix=a OR facet.prefix=A ... sth like this.
> All above concepts could be equally applicable to TermsComponent.
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