fix: decimal problem

@@ -250,7 +250,7 @@ func RoundFieldValue(f *Field, v string) string {
 		if err != nil {
 			return v
 		}
-		return fmt.Sprintf("%v", fv)
+		return utils.AssertString(fv) //fmt.Sprintf("%v", fv)
 	}
 	return v
 	//if f.SQLType != DECIMALV2.ToString() {
@@ -269,7 +269,7 @@ func RoundValue(v string) string {
 	if err != nil {
 		return v
 	}
-	return fmt.Sprintf("%v", fv)
+	return utils.AssertString(fv) //fmt.Sprintf("%v", fv)
 }
 
 func GripData(data []map[string]string, total int64) map[string]interface{} {

@@ -15,19 +15,24 @@ func TestRoundFieldValue(t *testing.T) {
 		want string
 	}{
 		{
-			v:    "0.12359999999999999",
+			v:    "0.123599999999999",
 			f:    floatFiled,
-			want: "0.1236",
+			want: "0.123599999999999",
 		},
 		{
-			v:    "0.12360000000000001",
+			v:    "0.123600000000001",
 			f:    floatFiled,
-			want: "0.1236",
+			want: "0.123600000000001",
 		},
 		{
-			v:    "0.12359999999999995",
+			v:    "0.12359990000000",
 			f:    floatFiled,
-			want: "0.1236",
+			want: "0.1235999",
+		},
+		{
+			v:    "18749465132.256",
+			f:    floatFiled,
+			want: "18749465132.256",
 		},
 	}
 	for _, input := range inputs {
@@ -35,3 +40,39 @@ func TestRoundFieldValue(t *testing.T) {
 		assert.Equal(t, input.want, got)
 	}
 }
+
+func TestRoundValue(t *testing.T) {
+	floatFiled := &Field{
+		SQLType: Float.ToString(),
+	}
+	inputs := []struct {
+		v    string
+		f    *Field
+		want string
+	}{
+		{
+			v:    "0.123599999999999",
+			f:    floatFiled,
+			want: "0.123599999999999",
+		},
+		{
+			v:    "0.123600000000001",
+			f:    floatFiled,
+			want: "0.123600000000001",
+		},
+		{
+			v:    "0.123599999999995",
+			f:    floatFiled,
+			want: "0.123599999999995",
+		},
+		{
+			v:    "18749465132.256",
+			f:    floatFiled,
+			want: "18749465132.256",
+		},
+	}
+	for _, input := range inputs {
+		got := RoundValue(input.v)
+		assert.Equal(t, input.want, got)
+	}
+}