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| 1 | +// EXAMPLE: cmds_generic |
| 2 | +// HIDE_START |
| 3 | +package example_commands_test |
| 4 | + |
| 5 | +import ( |
| 6 | + "context" |
| 7 | + "fmt" |
| 8 | + "math" |
| 9 | + "time" |
| 10 | + |
| 11 | + "github.com/redis/go-redis/v9" |
| 12 | +) |
| 13 | + |
| 14 | +// HIDE_END |
| 15 | + |
| 16 | +func ExampleClient_del_cmd() { |
| 17 | + ctx := context.Background() |
| 18 | + |
| 19 | + rdb := redis.NewClient(&redis.Options{ |
| 20 | + Addr: "localhost:6379", |
| 21 | + Password: "", // no password docs |
| 22 | + DB: 0, // use default DB |
| 23 | + }) |
| 24 | + |
| 25 | + // REMOVE_START |
| 26 | + rdb.Del(ctx, "key1", "key2", "key3") |
| 27 | + // REMOVE_END |
| 28 | + |
| 29 | + // STEP_START del |
| 30 | + delResult1, err := rdb.Set(ctx, "key1", "Hello", 0).Result() |
| 31 | + |
| 32 | + if err != nil { |
| 33 | + panic(err) |
| 34 | + } |
| 35 | + |
| 36 | + fmt.Println(delResult1) // >>> OK |
| 37 | + |
| 38 | + delResult2, err := rdb.Set(ctx, "key2", "World", 0).Result() |
| 39 | + |
| 40 | + if err != nil { |
| 41 | + panic(err) |
| 42 | + } |
| 43 | + |
| 44 | + fmt.Println(delResult2) // >>> OK |
| 45 | + |
| 46 | + delResult3, err := rdb.Del(ctx, "key1", "key2", "key3").Result() |
| 47 | + |
| 48 | + if err != nil { |
| 49 | + panic(err) |
| 50 | + } |
| 51 | + |
| 52 | + fmt.Println(delResult3) // >>> 2 |
| 53 | + // STEP_END |
| 54 | + |
| 55 | + // Output: |
| 56 | + // OK |
| 57 | + // OK |
| 58 | + // 2 |
| 59 | +} |
| 60 | + |
| 61 | +func ExampleClient_expire_cmd() { |
| 62 | + ctx := context.Background() |
| 63 | + |
| 64 | + rdb := redis.NewClient(&redis.Options{ |
| 65 | + Addr: "localhost:6379", |
| 66 | + Password: "", // no password docs |
| 67 | + DB: 0, // use default DB |
| 68 | + }) |
| 69 | + |
| 70 | + // REMOVE_START |
| 71 | + rdb.Del(ctx, "mykey") |
| 72 | + // REMOVE_END |
| 73 | + |
| 74 | + // STEP_START expire |
| 75 | + expireResult1, err := rdb.Set(ctx, "mykey", "Hello", 0).Result() |
| 76 | + |
| 77 | + if err != nil { |
| 78 | + panic(err) |
| 79 | + } |
| 80 | + |
| 81 | + fmt.Println(expireResult1) // >>> OK |
| 82 | + |
| 83 | + expireResult2, err := rdb.Expire(ctx, "mykey", 10*time.Second).Result() |
| 84 | + |
| 85 | + if err != nil { |
| 86 | + panic(err) |
| 87 | + } |
| 88 | + |
| 89 | + fmt.Println(expireResult2) // >>> true |
| 90 | + |
| 91 | + expireResult3, err := rdb.TTL(ctx, "mykey").Result() |
| 92 | + |
| 93 | + if err != nil { |
| 94 | + panic(err) |
| 95 | + } |
| 96 | + |
| 97 | + fmt.Println(math.Round(expireResult3.Seconds())) // >>> 10 |
| 98 | + |
| 99 | + expireResult4, err := rdb.Set(ctx, "mykey", "Hello World", 0).Result() |
| 100 | + |
| 101 | + if err != nil { |
| 102 | + panic(err) |
| 103 | + } |
| 104 | + |
| 105 | + fmt.Println(expireResult4) // >>> OK |
| 106 | + |
| 107 | + expireResult5, err := rdb.TTL(ctx, "mykey").Result() |
| 108 | + |
| 109 | + if err != nil { |
| 110 | + panic(err) |
| 111 | + } |
| 112 | + |
| 113 | + fmt.Println(expireResult5) // >>> -1ns |
| 114 | + |
| 115 | + expireResult6, err := rdb.ExpireXX(ctx, "mykey", 10*time.Second).Result() |
| 116 | + |
| 117 | + if err != nil { |
| 118 | + panic(err) |
| 119 | + } |
| 120 | + |
| 121 | + fmt.Println(expireResult6) // >>> false |
| 122 | + |
| 123 | + expireResult7, err := rdb.TTL(ctx, "mykey").Result() |
| 124 | + |
| 125 | + if err != nil { |
| 126 | + panic(err) |
| 127 | + } |
| 128 | + |
| 129 | + fmt.Println(expireResult7) // >>> -1ns |
| 130 | + |
| 131 | + expireResult8, err := rdb.ExpireNX(ctx, "mykey", 10*time.Second).Result() |
| 132 | + |
| 133 | + if err != nil { |
| 134 | + panic(err) |
| 135 | + } |
| 136 | + |
| 137 | + fmt.Println(expireResult8) // >>> true |
| 138 | + |
| 139 | + expireResult9, err := rdb.TTL(ctx, "mykey").Result() |
| 140 | + |
| 141 | + if err != nil { |
| 142 | + panic(err) |
| 143 | + } |
| 144 | + |
| 145 | + fmt.Println(math.Round(expireResult9.Seconds())) // >>> 10 |
| 146 | + // STEP_END |
| 147 | + |
| 148 | + // Output: |
| 149 | + // OK |
| 150 | + // true |
| 151 | + // 10 |
| 152 | + // OK |
| 153 | + // -1ns |
| 154 | + // false |
| 155 | + // -1ns |
| 156 | + // true |
| 157 | + // 10 |
| 158 | +} |
| 159 | + |
| 160 | +func ExampleClient_ttl_cmd() { |
| 161 | + ctx := context.Background() |
| 162 | + |
| 163 | + rdb := redis.NewClient(&redis.Options{ |
| 164 | + Addr: "localhost:6379", |
| 165 | + Password: "", // no password docs |
| 166 | + DB: 0, // use default DB |
| 167 | + }) |
| 168 | + |
| 169 | + // REMOVE_START |
| 170 | + rdb.Del(ctx, "mykey") |
| 171 | + // REMOVE_END |
| 172 | + |
| 173 | + // STEP_START ttl |
| 174 | + ttlResult1, err := rdb.Set(ctx, "mykey", "Hello", 10*time.Second).Result() |
| 175 | + |
| 176 | + if err != nil { |
| 177 | + panic(err) |
| 178 | + } |
| 179 | + |
| 180 | + fmt.Println(ttlResult1) // >>> OK |
| 181 | + |
| 182 | + ttlResult2, err := rdb.TTL(ctx, "mykey").Result() |
| 183 | + |
| 184 | + if err != nil { |
| 185 | + panic(err) |
| 186 | + } |
| 187 | + |
| 188 | + fmt.Println(math.Round(ttlResult2.Seconds())) // >>> 10 |
| 189 | + // STEP_END |
| 190 | + |
| 191 | + // Output: |
| 192 | + // OK |
| 193 | + // 10 |
| 194 | +} |
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