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}] }
func (a *Storage) Get(userId string) (Notes, error) { c := a.store.Get() count, err := redis.Int(c.Do("LLEN", userId)) if err != nil { return nil, err } items, err := redis.Values(c.Do("LRANGE", userId, 0, count)) if err != nil { return nil, err } var all Notes for i := range items { var n Note serialized, _ := redis.Bytes(items[i], nil) json.Unmarshal(serialized, &n) all = append(all, &n) } return all, nil }
func ExampleArgs() { c, err := dial() if err != nil { fmt.Println(err) return } defer c.Close() var p1, p2 struct { Title string `redis:"title"` Author string `redis:"author"` Body string `redis:"body"` } p1.Title = "Example" p1.Author = "Gary" p1.Body = "Hello" if _, err := c.Do("HMSET", redis.Args{}.Add("id1").AddFlat(&p1)...); err != nil { fmt.Println(err) return } m := map[string]string{ "title": "Example2", "author": "Steve", "body": "Map", } if _, err := c.Do("HMSET", redis.Args{}.Add("id2").AddFlat(m)...); err != nil { fmt.Println(err) return } for _, id := range []string{"id1", "id2"} { v, err := redis.Values(c.Do("HGETALL", id)) if err != nil { fmt.Println(err) return } if err := redis.ScanStruct(v, &p2); err != nil { fmt.Println(err) return } fmt.Printf("%+v\n", p2) } // Output: // {Title:Example Author:Gary Body:Hello} // {Title:Example2 Author:Steve Body:Map} }
func ExampleScan() { 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") 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 } for len(values) > 0 { var title string rating := -1 // initialize to illegal value to detect nil. values, err = redis.Scan(values, &title, &rating) if err != nil { fmt.Println(err) return } if rating == -1 { fmt.Println(title, "not-rated") } else { fmt.Println(title, rating) } } // Output: // Beat not-rated // Earthbound 1 // Red 5 }
ve(redis.Ints(nil, nil)), ve([]int(nil), redis.ErrNil), }, { "strings([v1, v2])", ve(redis.Strings([]interface{}{[]byte("v1"), []byte("v2")}, nil)), ve([]string{"v1", "v2"}, nil), }, { "strings(nil)", ve(redis.Strings(nil, nil)), ve([]string(nil), redis.ErrNil), }, { "values([v1, v2])", ve(redis.Values([]interface{}{[]byte("v1"), []byte("v2")}, nil)), ve([]interface{}{[]byte("v1"), []byte("v2")}, nil), }, { "values(nil)", ve(redis.Values(nil, nil)), ve([]interface{}(nil), redis.ErrNil), }, { "float64(1.0)", ve(redis.Float64([]byte("1.0"), nil)), ve(float64(1.0), nil), }, { "float64(nil)", ve(redis.Float64(nil, nil)),