(No version information available, might only be in Git)
SolrDisMaxQuery::setBoostFunction — Sets a Boost Function (bf parameter)
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
function
Приклад #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;
?>Поданий вище приклад виведе щось схоже на:
q=lucene&defType=edismax&bf=recip(ms(NOW,mydatefield),3.16e-11,1,1)