mirror of https://github.com/go-redis/redis.git
195 lines
3.1 KiB
Go
195 lines
3.1 KiB
Go
// EXAMPLE: cmds_generic
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// HIDE_START
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package example_commands_test
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import (
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"context"
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"fmt"
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"math"
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"time"
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"github.com/redis/go-redis/v9"
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)
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// HIDE_END
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func ExampleClient_del_cmd() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "key1", "key2", "key3")
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// REMOVE_END
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// STEP_START del
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delResult1, err := rdb.Set(ctx, "key1", "Hello", 0).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(delResult1) // >>> OK
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delResult2, err := rdb.Set(ctx, "key2", "World", 0).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(delResult2) // >>> OK
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delResult3, err := rdb.Del(ctx, "key1", "key2", "key3").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(delResult3) // >>> 2
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// STEP_END
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// Output:
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// OK
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// OK
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// 2
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}
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func ExampleClient_expire_cmd() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "mykey")
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// REMOVE_END
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// STEP_START expire
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expireResult1, err := rdb.Set(ctx, "mykey", "Hello", 0).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult1) // >>> OK
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expireResult2, err := rdb.Expire(ctx, "mykey", 10*time.Second).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult2) // >>> true
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expireResult3, err := rdb.TTL(ctx, "mykey").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(math.Round(expireResult3.Seconds())) // >>> 10
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expireResult4, err := rdb.Set(ctx, "mykey", "Hello World", 0).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult4) // >>> OK
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expireResult5, err := rdb.TTL(ctx, "mykey").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult5) // >>> -1ns
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expireResult6, err := rdb.ExpireXX(ctx, "mykey", 10*time.Second).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult6) // >>> false
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expireResult7, err := rdb.TTL(ctx, "mykey").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult7) // >>> -1ns
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expireResult8, err := rdb.ExpireNX(ctx, "mykey", 10*time.Second).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(expireResult8) // >>> true
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expireResult9, err := rdb.TTL(ctx, "mykey").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(math.Round(expireResult9.Seconds())) // >>> 10
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// STEP_END
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// Output:
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// OK
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// true
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// 10
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// OK
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// -1ns
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// false
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// -1ns
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// true
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// 10
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}
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func ExampleClient_ttl_cmd() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "mykey")
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// REMOVE_END
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// STEP_START ttl
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ttlResult1, err := rdb.Set(ctx, "mykey", "Hello", 10*time.Second).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(ttlResult1) // >>> OK
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ttlResult2, err := rdb.TTL(ctx, "mykey").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(math.Round(ttlResult2.Seconds())) // >>> 10
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// STEP_END
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// Output:
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// OK
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// 10
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}
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