/**
* Add relational filters to EFQ.
*
* This is for situation like when you only want articles that have taxonomies
* that contain the word Drupal in their body field. This cannot be resolved
* via EFQ alone.
*
* @param array $filter
* The filter.
* @param \EntityFieldQuery $query
* The query to alter.
*/
protected function addNestedFilter(array $filter, \EntityFieldQuery $query)
{
$relational_filters = array();
foreach ($this->getFieldsInfoFromPublicName($filter['public_field']) as $field_info) {
$relational_filters[] = new RelationalFilter($field_info['name'], $field_info['type'], $field_info['column'], $field_info['entity_type'], $field_info['bundles']);
}
$query->addRelationship($filter + array('relational_filters' => $relational_filters));
}
