Add a testcase for non-integer range frame.

mysql-test/r/win.result

@@ -949,3 +949,30 @@ pk	a	cnt
 8	71	7
 9	72	8
 drop table t1;
+# Try a RANGE frame over non-integer datatype:
+create table t1 (
+col1 int,
+a decimal(5,3)
+);
+insert into t1 values (1, 0.45);
+insert into t1 values (1, 0.5);
+insert into t1 values (1, 0.55);
+insert into t1 values (1, 1.21);
+insert into t1 values (1, 1.22);
+insert into t1 values (1, 3.33);
+select
+a, 
+count(col1) over (order by a 
+range between 0.1 preceding 
+and 0.1 following) 
+from t1;
+a	count(col1) over (order by a 
+range between 0.1 preceding 
+and 0.1 following)
+0.450	3
+0.500	3
+0.550	3
+1.210	2
+1.220	2
+3.330	1
+drop table t1;

mysql-test/t/win.test

@@ -570,3 +570,25 @@ from t1;
 
 drop table t1;
 
+--echo # Try a RANGE frame over non-integer datatype:
+
+create table t1 (
+  col1 int,
+  a decimal(5,3)
+);
+
+insert into t1 values (1, 0.45);
+insert into t1 values (1, 0.5);
+insert into t1 values (1, 0.55);
+insert into t1 values (1, 1.21);
+insert into t1 values (1, 1.22);
+insert into t1 values (1, 3.33);
+
+select
+  a, 
+  count(col1) over (order by a 
+                    range between 0.1 preceding 
+                                  and 0.1 following) 
+from t1;
+
+drop table t1;