SolrDisMaxQuery::setBoostFunction

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

Description

public SolrDisMaxQuery::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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