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* DOC-4450 added hgetall and hvals doc examples * DOC-4449 added hgetall and hvals doc examples * DOC-4449 rewrote to avoid Collect and Keys functions (not available in test version of Go) * DOC-4449 replaced slices.Sort function with older alternative * DOC-4449 removed another instance of slices.Sort * DOC-4449 fixed bugs in tests * DOC-4449 try sort.Strings() for sorting key lists --------- Co-authored-by: Vladyslav Vildanov <117659936+vladvildanov@users.noreply.github.com>
242 lines
3.9 KiB
Go
242 lines
3.9 KiB
Go
// EXAMPLE: cmds_hash
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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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"sort"
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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_hset() {
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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, "myhash")
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// REMOVE_END
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// STEP_START hset
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res1, err := rdb.HSet(ctx, "myhash", "field1", "Hello").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res1) // >>> 1
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res2, err := rdb.HGet(ctx, "myhash", "field1").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res2) // >>> Hello
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res3, err := rdb.HSet(ctx, "myhash",
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"field2", "Hi",
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"field3", "World",
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).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res3) // >>> 2
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res4, err := rdb.HGet(ctx, "myhash", "field2").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res4) // >>> Hi
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res5, err := rdb.HGet(ctx, "myhash", "field3").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res5) // >>> World
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res6, err := rdb.HGetAll(ctx, "myhash").Result()
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if err != nil {
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panic(err)
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}
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keys := make([]string, 0, len(res6))
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for key, _ := range res6 {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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for _, key := range keys {
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fmt.Printf("Key: %v, value: %v\n", key, res6[key])
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}
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// >>> Key: field1, value: Hello
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// >>> Key: field2, value: Hi
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// >>> Key: field3, value: World
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// STEP_END
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// Output:
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// 1
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// Hello
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// 2
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// Hi
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// World
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// Key: field1, value: Hello
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// Key: field2, value: Hi
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// Key: field3, value: World
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}
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func ExampleClient_hget() {
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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, "myhash")
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// REMOVE_END
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// STEP_START hget
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res7, err := rdb.HSet(ctx, "myhash", "field1", "foo").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res7) // >>> 1
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res8, err := rdb.HGet(ctx, "myhash", "field1").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res8) // >>> foo
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res9, err := rdb.HGet(ctx, "myhash", "field2").Result()
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if err != nil {
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fmt.Println(err)
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}
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fmt.Println(res9) // >>> <empty string>
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// STEP_END
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// Output:
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// 1
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// foo
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// redis: nil
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}
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func ExampleClient_hgetall() {
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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
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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, "myhash")
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// REMOVE_END
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// STEP_START hgetall
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hGetAllResult1, err := rdb.HSet(ctx, "myhash",
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"field1", "Hello",
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"field2", "World",
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).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(hGetAllResult1) // >>> 2
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hGetAllResult2, err := rdb.HGetAll(ctx, "myhash").Result()
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if err != nil {
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panic(err)
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}
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keys := make([]string, 0, len(hGetAllResult2))
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for key, _ := range hGetAllResult2 {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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for _, key := range keys {
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fmt.Printf("Key: %v, value: %v\n", key, hGetAllResult2[key])
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}
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// >>> Key: field1, value: Hello
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// >>> Key: field2, value: World
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// STEP_END
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// Output:
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// 2
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// Key: field1, value: Hello
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// Key: field2, value: World
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}
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func ExampleClient_hvals() {
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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, "myhash")
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// REMOVE_END
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// STEP_START hvals
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hValsResult1, err := rdb.HSet(ctx, "myhash",
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"field1", "Hello",
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"field2", "World",
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).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(hValsResult1) // >>> 2
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hValsResult2, err := rdb.HVals(ctx, "myhash").Result()
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if err != nil {
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panic(err)
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}
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sort.Strings(hValsResult2)
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fmt.Println(hValsResult2) // >>> [Hello World]
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// STEP_END
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// Output:
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// 2
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// [Hello World]
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}
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