SolrDisMaxQuery
PHP Manual

SolrDisMaxQuery::setBoostFunction

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SolrDisMaxQuery::setBoostFunctionSets a Boost Function (bf parameter).

Descrierea

public SolrDisMaxQuery SolrDisMaxQuery::setBoostFunction ( string $function )

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

Parametri

function

Valorile întoarse

SolrDisMaxQuery

Exemple

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;

?>

Exemplul de mai sus va afișa ceva similar cu:

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

A se vedea și


SolrDisMaxQuery
PHP Manual