Tag | Range query
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Solr 1.4 contains a new feature that allows range queries or range filters over arbitrary functions. It’s implemented as a standard Solr QParser plugin, and thus easily available for use any place that accepts the standard Solr Query Syntax by specifying the frange query type. Here’s an example of a filter specifying the lower and upper bounds for a function:fq={!frange l=0 u=2.2}log(sum(user_ranking,editor_ranking))…The other interesting use for frange is to trade off memory
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