diff --git a/Solr_Base_Query.php b/Solr_Base_Query.php
index 45d69c5..2bbcd2e 100644
--- a/Solr_Base_Query.php
+++ b/Solr_Base_Query.php
@@ -90,6 +90,10 @@ class SolrFilterSubQuery {
     }
   }
 
+  public function getFilterSubQueries() {
+    return $this->subqueries;
+  }
+
   public function addFilterSubQuery(SolrFilterSubQuery $query) {
     $this->subqueries[$query->id] = $query;
     return $this;