Example #1
0
func ExampleScanSlice() {
	c, err := dial()
	if err != nil {
		fmt.Println(err)
		return
	}
	defer c.Close()

	c.Send("HMSET", "album:1", "title", "Red", "rating", 5)
	c.Send("HMSET", "album:2", "title", "Earthbound", "rating", 1)
	c.Send("HMSET", "album:3", "title", "Beat", "rating", 4)
	c.Send("LPUSH", "albums", "1")
	c.Send("LPUSH", "albums", "2")
	c.Send("LPUSH", "albums", "3")
	values, err := redis.Values(c.Do("SORT", "albums",
		"BY", "album:*->rating",
		"GET", "album:*->title",
		"GET", "album:*->rating"))
	if err != nil {
		fmt.Println(err)
		return
	}

	var albums []struct {
		Title  string
		Rating int
	}
	if err := redis.ScanSlice(values, &albums); err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("%v\n", albums)
	// Output:
	// [{Earthbound 1} {Beat 4} {Red 5}]
}
Example #2
0
func int64s(reply interface{}, err error) ([]int64, error) {
	if err != nil {
		return nil, slog.Wrap(err)
	}
	ints := []int64{}
	values, err := redis.Values(reply, err)
	if err != nil {
		return ints, slog.Wrap(err)
	}
	if err := redis.ScanSlice(values, &ints); err != nil {
		return ints, slog.Wrap(err)
	}
	return ints, nil
}
Example #3
0
func TestScanSlice(t *testing.T) {
	for _, tt := range scanSliceTests {

		typ := reflect.ValueOf(tt.dest).Type()
		dest := reflect.New(typ)

		err := redis.ScanSlice(tt.src, dest.Interface(), tt.fieldNames...)
		if tt.ok != (err == nil) {
			t.Errorf("ScanSlice(%v, []%s, %v) returned error %v", tt.src, typ, tt.fieldNames, err)
			continue
		}
		if tt.ok && !reflect.DeepEqual(dest.Elem().Interface(), tt.dest) {
			t.Errorf("ScanSlice(src, []%s) returned %#v, want %#v", typ, dest.Elem().Interface(), tt.dest)
		}
	}
}