Add direct access to result_set's buffer bytes, and it's structure

include/fbsqlxx.hpp

@@ -855,11 +855,52 @@ public:
         return static_cast<T>(portable_integer(m_buffer.data() + f.offset, sizeof(T)));
     }
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <returns></returns>
     Firebird::IResultSet* operator->() const
     {
         return m_rs;
     }
 
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <returns></returns>
+    Firebird::IMessageMetadata* get_message_metadata() const
+    {
+        return m_meta;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <returns></returns>
+    octets const& get_message_buffer() const
+    {
+        return m_buffer;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    struct field
+    {
+        const char* name;
+        unsigned type, subtype, length, offset, null_offset;
+        int scale;
+    };
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <returns></returns>
+    std::vector<field> const& get_fields() const
+    {
+        return m_fields;
+    }
+
 private:
     // buffer low level accessor
     template <typename T>
@@ -891,13 +932,6 @@ private:
         }
     }
 
-    struct field
-    {
-        const char* name;
-        unsigned type, subtype, length, offset, null_offset;
-        int scale;
-    };
-
     void cache_metadata(unsigned count)
     {
         m_fields.resize(count);