| 61 | } |
| 62 | |
| 63 | func ExampleClient_expire_cmd() { |
| 64 | ctx := context.Background() |
| 65 | |
| 66 | rdb := redis.NewClient(&redis.Options{ |
| 67 | Addr: "localhost:6379", |
| 68 | Password: "", // no password docs |
| 69 | DB: 0, // use default DB |
| 70 | }) |
| 71 | |
| 72 | // REMOVE_START |
| 73 | // start with fresh database |
| 74 | rdb.FlushDB(ctx) |
| 75 | rdb.Del(ctx, "mykey") |
| 76 | // REMOVE_END |
| 77 | |
| 78 | // STEP_START expire |
| 79 | expireResult1, err := rdb.Set(ctx, "mykey", "Hello", 0).Result() |
| 80 | |
| 81 | if err != nil { |
| 82 | panic(err) |
| 83 | } |
| 84 | |
| 85 | fmt.Println(expireResult1) // >>> OK |
| 86 | |
| 87 | expireResult2, err := rdb.Expire(ctx, "mykey", 10*time.Second).Result() |
| 88 | |
| 89 | if err != nil { |
| 90 | panic(err) |
| 91 | } |
| 92 | |
| 93 | fmt.Println(expireResult2) // >>> true |
| 94 | |
| 95 | expireResult3, err := rdb.TTL(ctx, "mykey").Result() |
| 96 | |
| 97 | if err != nil { |
| 98 | panic(err) |
| 99 | } |
| 100 | |
| 101 | fmt.Println(math.Round(expireResult3.Seconds())) // >>> 10 |
| 102 | |
| 103 | expireResult4, err := rdb.Set(ctx, "mykey", "Hello World", 0).Result() |
| 104 | |
| 105 | if err != nil { |
| 106 | panic(err) |
| 107 | } |
| 108 | |
| 109 | fmt.Println(expireResult4) // >>> OK |
| 110 | |
| 111 | expireResult5, err := rdb.TTL(ctx, "mykey").Result() |
| 112 | |
| 113 | if err != nil { |
| 114 | panic(err) |
| 115 | } |
| 116 | |
| 117 | fmt.Println(expireResult5) // >>> -1ns |
| 118 | |
| 119 | expireResult6, err := rdb.ExpireXX(ctx, "mykey", 10*time.Second).Result() |
| 120 | |