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Posted to dev@lucene.apache.org by "Alexandre Rafalovitch (JIRA)" <ji...@apache.org> on 2016/10/02 07:32:20 UTC
[jira] [Closed] (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:all-tabpanel ]
Alexandre Rafalovitch closed SOLR-218.
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Resolution: Workaround
An old issue that went into several different directions and JIRAs with original approach no longer applicable. This issue was suggested to be closed nearly 3 years ago and there were no objections.
> 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: 6.0, 4.9
>
>
> 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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