diff --git a/include/mapnik/datasource.hpp b/include/mapnik/datasource.hpp
index 9934fa401..7bac29ca6 100644
--- a/include/mapnik/datasource.hpp
+++ b/include/mapnik/datasource.hpp
@@ -42,15 +42,15 @@
 namespace mapnik {
 
 typedef MAPNIK_DECL boost::shared_ptr<Feature> feature_ptr;
-    
+
 struct MAPNIK_DECL Featureset
 {
     virtual feature_ptr next()=0;
     virtual ~Featureset() {};
 };
-    
+
 typedef MAPNIK_DECL boost::shared_ptr<Featureset> featureset_ptr;
-    
+
 class MAPNIK_DECL datasource_exception : public std::exception
 {
 private:
@@ -65,7 +65,7 @@ public:
         return message_.c_str();
     }
 };
-    
+
 class MAPNIK_DECL datasource : private boost::noncopyable
 {
 public:
@@ -85,7 +85,7 @@ public:
         : params_(params),
           is_bound_(false)
         {}
-    
+
     /*!
      * @brief Get the configuration parameters of the data source.
      *
@@ -97,34 +97,35 @@ public:
     {
         return params_;
     }
-        
+
     /*!
      * @brief Get the type of the datasource
      * @return The type of the datasource (Vector or Raster)
      */
     virtual datasource_t type() const=0;
-        
+
     /*!
      * @brief Connect to the datasource
      */
     virtual void bind() const {};
-    
+
     virtual featureset_ptr features(const query& q) const=0;
     virtual featureset_ptr features_at_point(coord2d const& pt) const=0;
     virtual box2d<double> envelope() const=0;
     virtual boost::optional<geometry_t> get_geometry_type() const=0;
     virtual layer_descriptor get_descriptor() const=0;
+    virtual std::map<std::string, mapnik::parameters> get_statistics() const=0;
     virtual ~datasource() {};
 protected:
     parameters params_;
     mutable bool is_bound_;
 };
-    
+
 typedef std::string datasource_name();
 typedef datasource* create_ds(const parameters& params, bool bind);
 typedef void destroy_ds(datasource *ds);
 
-    
+
 class datasource_deleter
 {
 public:
@@ -135,8 +136,8 @@ public:
 };
 
 typedef boost::shared_ptr<datasource> datasource_ptr;
-    
-    
+
+
 #define DATASOURCE_PLUGIN(classname)                                    \
     extern "C" MAPNIK_EXP std::string datasource_name()                 \
     {                                                                   \
diff --git a/include/mapnik/memory_datasource.hpp b/include/mapnik/memory_datasource.hpp
index 769a8efc8..3728e1cdd 100644
--- a/include/mapnik/memory_datasource.hpp
+++ b/include/mapnik/memory_datasource.hpp
@@ -45,6 +45,7 @@ public:
     box2d<double> envelope() const;
     boost::optional<geometry_t> get_geometry_type() const;
     layer_descriptor get_descriptor() const;
+    std::map<std::string, mapnik::parameters> get_statistics() const;
     size_t size() const;
     void clear();
 private:
diff --git a/src/memory_datasource.cpp b/src/memory_datasource.cpp
index 7d142c06a..fdf2c1969 100644
--- a/src/memory_datasource.cpp
+++ b/src/memory_datasource.cpp
@@ -24,6 +24,7 @@
 // mapnik
 #include <mapnik/memory_datasource.hpp>
 #include <mapnik/memory_featureset.hpp>
+#include <mapnik/params.hpp>
 #include <mapnik/feature_factory.hpp>
 // stl
 #include <algorithm>
@@ -107,6 +108,12 @@ layer_descriptor memory_datasource::get_descriptor() const
 {
     return desc_;
 }
+
+std::map<std::string, mapnik::parameters> memory_datasource::get_statistics() const
+{
+    std::map<std::string, mapnik::parameters> _stats;
+    return _stats;
+}
     
 size_t memory_datasource::size() const
 {