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https://issues.apache.org/jira/browse/SOLR-629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688784#action_12688784
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Guillaume Smet commented on SOLR-629:
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Hi Otis,
The proposed syntax is taken from the unit test which is based on the existing
one ( see testParseFieldBoosts() in
http://svn.apache.org/viewvc/lucene/solr/trunk/src/test/org/apache/solr/util/SolrPluginUtilsTest.java?revision=701485&view=markup
). The existing one contains a negative boost. So does the new one. I didn't
change the way Solr parses the values.
Perhaps we need to be more strict about it?
There is still an unanswered question from my initial proposal:
"Only the qf parameter supports this syntax atm. I suppose we should make it
usable in pf too. Any opinion?"
That said, it's probably better to validate the general approach of the patch
before thinking about generalizing it.
--
Guillaume
> Fuzzy search with DisMax request handler
> ----------------------------------------
>
> Key: SOLR-629
> URL: https://issues.apache.org/jira/browse/SOLR-629
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 1.3
> Reporter: Guillaume Smet
> Priority: Minor
> Attachments: dismax_fuzzy_query_field.v0.1.diff,
> dismax_fuzzy_query_field.v0.1.diff
>
>
> The DisMax search handler doesn't support fuzzy queries which would be quite
> useful for our usage of Solr and from what I've seen on the list, it's
> something several people would like to have.
> Following this discussion
> http://markmail.org/message/tx6kqr7ga6ponefa#query:solr%20dismax%20fuzzy+page:1+mid:c4pciq6rlr4dwtgm+state:results
> , I added the ability to add fuzzy query field in the qf parameter. I kept
> the patch as conservative as possible.
> The syntax supported is: fieldOne^2.3 fieldTwo~0.3 fieldThree~0.2^-0.4
> fieldFour as discussed in the above thread.
> The recursive query aliasing should work even with fuzzy query fields using a
> very simple rule: the aliased fields inherit the minSimilarity of their
> parent, combined with their own one if they have one.
> Only the qf parameter support this syntax atm. I suppose we should make it
> usable in pf too. Any opinion?
> Comments are very welcome, I'll spend the time needed to put this patch in
> good shape.
> Thanks.
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