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Posted to dev@lucene.apache.org by "Furkan KAMACI (JIRA)" <ji...@apache.org> on 2013/12/18 13:24:12 UTC
[jira] [Commented] (SOLR-218) Support for Lucene QueryParser
properties via solrconfig.xml file
[ https://issues.apache.org/jira/browse/SOLR-218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851637#comment-13851637 ]
Furkan KAMACI commented on SOLR-218:
------------------------------------
[~markrmiller@gmail.com] This is an old issue and SolrQueryParser has changed since that time. There is an effort for leading wildcard at comments of current issue but {SOLR-1321:https://issues.apache.org/jira/browse/SOLR-1321} has resolved the problem as like described here: http://lucene.472066.n3.nabble.com/hi-allowLeadingWildcard-is-it-possible-or-not-yet-td495457.html Is there anything to do for this issue? if not issue can be closed, if yes I can help and create a patch for it.
> Support for Lucene QueryParser properties via solrconfig.xml file
> -----------------------------------------------------------------
>
> Key: SOLR-218
> URL: https://issues.apache.org/jira/browse/SOLR-218
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 1.1.0
> Reporter: Michael Pelz-Sherman
> Fix For: 4.6
>
>
> The SolrQueryParser class, which extends Lucene's QueryParser class, does not provide any way of setting the various QueryParser properties via the solr config file (solrconfig.xml). These properties include:
> allowLeadingWildcard (Set to true to allow * and ? as the first character of a PrefixQuery and WildcardQuery)
> dateResolution: Sets the default date resolution used by RangeQueries for fields for which no specific date resolutions has been set.
> defaultOperator: Sets the boolean operator of the QueryParser.
> fuzzyMinSim: Set the minimum similarity for fuzzy queries.
> locale: Set locale used by date range parsing.
> lowercaseExpandedTerms: Whether terms of wildcard, prefix, fuzzy and range queries are to be automatically lower-cased or not.
> phraseSlop: Sets the default slop for phrases.
> useOldRangeQuery: By default QueryParser uses new ConstantScoreRangeQuery in preference to RangeQuery for range queries.
> This can be achieved by calling the setter methods for these properties in the SolrQueryParser constructor,
> public SolrQueryParser(IndexSchema schema, String defaultField) {
> super(defaultField == null ? schema.getDefaultSearchFieldName() : defaultField, schema.getQueryAnalyzer());
> this.schema = schema;
> setAllowLeadingWildcard(SolrConfig.config.getBool("query/setAllowLeadingWildcard"));
> setLowercaseExpandedTerms(SolrConfig.config.getBool("query/lowerCaseExpandedTerms"));
> }
> In addition, solr should not modify these values from the defaults provided by Lucene, as it currently does by calling setLowercaseExpandedTerms(false) in this method.
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