SolrDisMaxQuery::setBoostFunction
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SolrDisMaxQuery::setBoostFunction — Sets a Boost Function (bf parameter)
Beschreibung
Sets Boost Function (bf parameter).
Functions (with optional boosts) that will be included in the user's query to influence the score. Any function supported natively by Solr can be used, along with a boost value. e.g.:
recip(rord(myfield),1,2,3)^1.5
Parameter-Liste
-
function
-
Rückgabewerte
Beispiele
Beispiel #1 SolrDisMaxQuery::setBoostFunction() example
<?php
$dismaxQuery = new SolrDisMaxQuery('lucene');
$boostRecentDocsFunction = "recip(ms(NOW,mydatefield),3.16e-11,1,1)";
$dismaxQuery->setBoostFunction($boostRecentDocsFunction);
echo $dismaxQuery.PHP_EOL;
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
q=lucene&defType=edismax&bf=recip(ms(NOW,mydatefield),3.16e-11,1,1)