--- mariadb-10.0.6/storage/sphinx/ha_sphinx.cc	2013-11-14 22:42:18.000000000 +0100
+++ mariadb-patched/storage/sphinx/ha_sphinx.cc	2013-12-20 16:05:32.035359912 +0100
@@ -216,7 +216,8 @@
 	SPH_GROUPBY_WEEK	= 1,	///< group by week
 	SPH_GROUPBY_MONTH	= 2,	///< group by month
 	SPH_GROUPBY_YEAR	= 3,	///< group by year
-	SPH_GROUPBY_ATTR	= 4		///< group by attribute value
+	SPH_GROUPBY_ATTR	= 4,	///< group by attribute value
+	SPH_GROUPBY_MULTIPLE	= 6 	///< group by on multiple attribute values
 };
 
 /// known attribute types
@@ -1513,6 +1514,7 @@
 			{ "month:",	SPH_GROUPBY_MONTH },
 			{ "year:",	SPH_GROUPBY_YEAR },
 			{ "attr:",	SPH_GROUPBY_ATTR },
+			{ "multi:",     SPH_GROUPBY_MULTIPLE },
 		};
 
 		int i;