SolrDisMaxQuery::setBoostFunction

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    SolrDisMaxQuery::setBoostFunction — Sets a Boost Function (bf parameter)

    Description

    publicSolrDisMaxQuery::setBoostFunction(string$function): SolrDisMaxQuery

    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

    Liste de paramètres

    function

    Valeurs de retour

    SolrDisMaxQuery

    Exemples

    Exemple #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;

    ?>

    Résultat de l'exemple ci-dessus est similaire à :

    q=lucene&defType=edismax&bf=recip(ms(NOW,mydatefield),3.16e-11,1,1)
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