Minor change to examples (#62)

Updated `res` to pointer in examples/queryrow/main.go
Uncomment row print in examples/queryrows/main.go

Signed-off-by: Tauseef Hussain <[email protected]>

Author: tauseef-h

examples/queryrow/main.go

@@ -40,7 +40,7 @@ func main() {
 	// defer cancel()
 	ctx := context.Background()
 	var res float64
-	err1 := db.QueryRowContext(ctx, `select max(carat) from default.diamonds`).Scan(res)
+	err1 := db.QueryRowContext(ctx, `select max(carat) from default.diamonds`).Scan(&res)
 
 	if err1 != nil {
 		if err1 == sql.ErrNoRows {

examples/queryrows/main.go

@@ -83,7 +83,7 @@ func main() {
 			rows.Close()
 			return
 		}
-		// fmt.Printf("%v, %v\n", res1, res2)
+		fmt.Printf("%v, %v\n", res1, res2)
 	}
 
 }