lib/Query/Common/CriterionVisitor/Field/FieldRange.php
public function visit(Criterion $criterion, CriterionVisitor $subVisitor = null)
    {
        $searchFields = $this->getSearchFields($criterion);

        if (empty($searchFields)) {
            throw new InvalidArgumentException(
                '$criterion->target',
                "No searchable fields found for the given criterion target '{$criterion->target}'."
            );
        }

        $value = (array)$criterion->value;
        $queries = array();
        foreach ($searchFields as $name => $fieldType) {
            $start = $this->mapSearchFieldValue($value[0], $fieldType);
            $end = isset($value[1]) ? $this->mapSearchFieldvalue($value[1], $fieldType) : null;

            if (($criterion->operator === Operator::LT) ||
                  ($criterion->operator === Operator::LTE)) {
                $end = $start;
                $start = null;
            }

            $queries[] = $name . ':' . $this->getRange($criterion->operator, $start, $end);
        }

        return '(' . implode(' OR ', $queries) . ')';
    }
public function visit(Criterion $criterion, CriterionVisitor $subVisitor = null)
    {
        $searchFields = $this->getSearchFields($criterion);

        if (empty($searchFields)) {
            throw new InvalidArgumentException(
                '$criterion->target',
                "No searchable fields found for the given criterion target '{$criterion->target}'."
            );
        }

        $value = (array)$criterion->value;
        $queries = array();
        foreach ($searchFields as $name => $fieldType) {
            $start = $this->mapSearchFieldValue($value[0], $fieldType);
            $end = isset($value[1]) ? $this->mapSearchFieldvalue($value[1], $fieldType) : null;

            if (($criterion->operator === Operator::LT) ||
                  ($criterion->operator === Operator::LTE)) {
                $end = $start;
                $start = null;
            }

            $queries[] = $name . ':' . $this->getRange($criterion->operator, $start, $end);
        }

        return '(' . implode(' OR ', $queries) . ')';
    }
Map field value to a proper Solr representation.

@throws \eZ\Publish\Core\Base\Exceptions\InvalidArgumentException If no searchable fields are found for the given criterion target.

@param \eZ\Publish\API\Repository\Values\Content\Query\Criterion $criterion
@param \EzSystems\EzPlatformSolrSearchEngine\Query\CriterionVisitor $subVisitor

@return string