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Posted to dev@lucene.apache.org by "Naomi Dushay (JIRA)" <ji...@apache.org> on 2013/05/21 00:19:16 UTC
[jira] [Commented] (SOLR-3385) Extended Dismax parser ignores all
regular search terms when one search term is using + (dismax behaves
differently)
[ https://issues.apache.org/jira/browse/SOLR-3385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662402#comment-13662402 ]
Naomi Dushay commented on SOLR-3385:
------------------------------------
I believe this is the same as SOLR-2649:
// For correct lucene queries, turn off mm processing if there
// were explicit operators (except for AND).
boolean doMinMatched = (numOR + numNOT + numPluses + numMinuses) == 0;
(lines 232-234 taken from tags/lucene_solr_3_3/solr/src/java/org/apache/solr/search/ExtendedDismaxQParserPlugin.java)
> Extended Dismax parser ignores all regular search terms when one search term is using + (dismax behaves differently)
> --------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-3385
> URL: https://issues.apache.org/jira/browse/SOLR-3385
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Affects Versions: 3.5
> Reporter: Nils Kaiser
> Attachments: select_dev_PLUSsales_dismax_553results.xml, select_dev_PLUSsales_edismax_9600results.xml, select_dev_PLUSsales_miau_dismax_0results.xml, select_dev_PLUSsales_miau_edismax_9600results.xml, select_dev_sales_miau_edismax_0results.xml, select_PLUSsales_dismax_9600results.xml, select_PLUSsales_edismax_9600results.xml
>
>
> When using the extended dismax parser with at least one term using + or -, all other search terms are ignored.
> Example:
> (the terms dev and sales are found in the index, the term miau is not part of the index)
> "dev sales miau", "+dev +sales +miau", "dev +sales +miau" all give me 0 results (as expected)
> "dev +sales miau", "dev +sales" or "+sales" return the same number of results (dev and miau terms are ignored)
> The standard dismax parser always treats search terms as +, so "dev sales miau", "+dev +sales miau", "dev +sales miau" return the same number of results.
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