SolrDisMaxQuery::setBoostFunction

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

Descrizione

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

Elenco dei parametri

function

Valori restituiti

SolrDisMaxQuery

Esempi

Example #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;

?>

Il precedente esempio visualizzerà qualcosa simile a:

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

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