SolrDisMaxQuery::setBoostFunction

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

Descripción

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

Parámetros

function

Valores devueltos

SolrDisMaxQuery

Ejemplos

Ejemplo #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;

?>

El resultado del ejemplo sería algo similar a:

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

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