SolrDisMaxQuery::setBoostFunction

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SolrDisMaxQuery::setBoostFunctionSets a Boost Function (bf parameter)

Beschreibung

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

Parameter-Liste

function

R√ľckgabewerte

SolrDisMaxQuery

Beispiele

Beispiel #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;

?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

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

Siehe auch

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