Remove the need for EDismax's ExtendedAnalyzer
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Key: SOLR-2759
URL: https://issues.apache.org/jira/browse/SOLR-2759
Project: Solr
Issue Type: Improvement
Components: search
Reporter: Chris Male
ExtendedDisMaxQParserPlugin.ExtendedAnalyzer cannot be ported over to being
reusable due to its support for deciding at runtime whether stopwords should be
filtered or not.
One way to resolve this is to maintain 2 lazy-initialized Map<String, Analyzer>
in the ExtendedSolrQueryParser, one with the stopword filtering Analyzers for
fields, the other with no-stopword filtering Analyzers. Then
ExtendedSolrQueryParser can override the
QueryParserBase.newFieldQuery(Analyzer, String, String, boolean) and substitute
in the appropriate Analyzer based on the runtime behavior desired at that time.
This will mean an ever so slight increase in memory consumption due to the 2
maps, but will allow for reusability which will reduce memory consumption and
increase query throughput.
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