SolrDisMaxQuery::setBoostFunction

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

    Descrição

    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

    Parâmetros

    function

    Valor Retornado

    SolrDisMaxQuery

    Exemplos

    Exemplo #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;

    ?>

    O exemplo acima produzirá algo semelhante a:

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