/**
* Changes the query to a "More Like This" query.
*/
public function setMoreLikeThis(Query &$solarium_query, QueryInterface $query, $mlt_options = array(), $index_fields = array(), $fields)
{
$solarium_query = $this->solr->createMoreLikeThis(array('handler' => 'select'));
// The fields to look for similarities in.
if (empty($mlt_options['fields'])) {
return;
}
$mlt_fl = array();
foreach ($mlt_options['fields'] as $mlt_field) {
// Solr 4 has a bug which results in numeric fields not being supported
// in MLT queries.
// Date fields don't seem to be supported at all.
$version = $this->getSolrVersion();
if ($fields[$mlt_field][0] === 'd' || $version == 4 && in_array($fields[$mlt_field][0], array('i', 'f'))) {
continue;
}
$mlt_fl[] = $fields[$mlt_field];
// For non-text fields, set minimum word length to 0.
if (isset($index_fields[$mlt_field]) && !SearchApiUtility::isTextType($index_fields[$mlt_field]->getType())) {
$solarium_query->addParam('f.' . $fields[$mlt_field] . '.mlt.minwl', 0);
}
}
//$solarium_query->setHandler('mlt');
$solarium_query->setMltFields($mlt_fl);
/** @var \Solarium\Plugin\CustomizeRequest\CustomizeRequest $customizer */
$customizer = $this->solr->getPlugin('customizerequest');
$customizer->createCustomization('id')->setType('param')->setName('qt')->setValue('mlt');
// @todo Make sure these configurations are correct
$solarium_query->setMinimumDocumentFrequency(1);
$solarium_query->setMinimumTermFrequency(1);
}
<?php
require __DIR__ . '/init.php';
use Solarium\Client;
htmlHeader();
// create a client instance
$client = new Client($config);
// get a morelikethis query instance
$query = $client->createMoreLikeThis();
$query->setQuery('id:SP2514N');
$query->setMltFields('manu,cat');
$query->setMinimumDocumentFrequency(1);
$query->setMinimumTermFrequency(1);
$query->createFilterQuery('stock')->setQuery('inStock:true');
$query->setInterestingTerms('details');
$query->setMatchInclude(true);
// this executes the query and returns the result
$resultset = $client->select($query);
echo 'Document used for matching:<br/><table>';
foreach ($resultset->getMatch() as $field => $value) {
// this converts multivalue fields to a comma-separated string
if (is_array($value)) {
$value = implode(', ', $value);
}
echo '<tr><th>' . $field . '</th><td>' . $value . '</td></tr>';
}
echo '</table><hr/>';
// display the total number of MLT documents found by solr
echo 'Number of MLT matches found: ' . $resultset->getNumFound() . '<br/><br/>';
echo '<b>Listing of matched docs:</b>';
// show MLT documents using the resultset iterator