package redis_test import ( "fmt" "strconv" "github.com/vmihailenco/redis/v2" ) func ExampleTCPClient() { client := redis.DialTCP(&redis.Options{ Addr: "localhost:6379", Password: "", // no password set DB: 0, // use default DB }) defer client.Close() ping := client.Ping() fmt.Println(ping.Err(), ping.Val()) // Output: PONG } func ExampleUnixClient() { client := redis.DialUnix(&redis.Options{ Addr: "/tmp/redis.sock", }) defer client.Close() ping := client.Ping() fmt.Println(ping.Err(), ping.Val()) // Output: PONG } func ExampleSetGet() { client := redis.DialTCP(&redis.Options{ Addr: ":6379", }) defer client.Close() set := client.Set("foo", "bar") fmt.Println(set.Err(), set.Val()) get := client.Get("foo") fmt.Println(get.Err(), get.Val()) // Output: OK // bar } func ExamplePipeline() { client := redis.DialTCP(&redis.Options{ Addr: ":6379", }) defer client.Close() var set *redis.StatusReq var get *redis.StringReq reqs, err := client.Pipelined(func(c *redis.PipelineClient) { set = c.Set("key1", "hello1") get = c.Get("key2") }) fmt.Println(err, reqs) fmt.Println(set) fmt.Println(get) // Output: [SET key1 hello1: OK GET key2: (nil)] // SET key1 hello1: OK // GET key2: (nil) } func transaction(multi *redis.MultiClient) ([]redis.Req, error) { get := multi.Get("key") if err := get.Err(); err != nil && err != redis.Nil { return nil, err } val, _ := strconv.ParseInt(get.Val(), 10, 64) reqs, err := multi.Exec(func() { multi.Set("key", strconv.FormatInt(val+1, 10)) }) // Transaction failed. Repeat. if err == redis.Nil { return transaction(multi) } return reqs, err } func ExampleTransaction() { client := redis.DialTCP(&redis.Options{ Addr: ":6379", }) defer client.Close() client.Del("key") multi, err := client.MultiClient() _ = err defer multi.Close() watch := multi.Watch("key") _ = watch.Err() reqs, err := transaction(multi) fmt.Println(err, reqs) // Output: [SET key 1: OK] } func ExamplePubSub() { client := redis.DialTCP(&redis.Options{ Addr: ":6379", }) defer client.Close() pubsub, err := client.PubSubClient() defer pubsub.Close() ch, err := pubsub.Subscribe("mychannel") _ = err subscribeMsg := <-ch fmt.Println(subscribeMsg.Err, subscribeMsg.Name) pub := client.Publish("mychannel", "hello") _ = pub.Err() msg := <-ch fmt.Println(msg.Err, msg.Message) // Output: subscribe // hello } func Get(client *redis.Client, key string) *redis.StringReq { req := redis.NewStringReq("GET", key) client.Process(req) return req } func ExampleCustomCommand() { client := redis.DialTCP(&redis.Options{ Addr: ":6379", }) defer client.Close() get := Get(client, "key_does_not_exist") fmt.Println(get.Err(), get.Val()) // Output: (nil) }