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golang redis hmset

To use Redis hmset in Golang, you first need to install the Redis client library for Go using the following command:

  1. go get github.com/go-redis/redis/v8

Once the library is installed, you can create a new Redis client and use the HSet method to set multiple fields of a hash map at once. Here’s an example code snippet:

  1. import "github.com/go-redis/redis/v8"
  2. func main() {
  3. client := redis.NewClient(&redis.Options{
  4. Addr: "localhost:6379",
  5. Password: "", // no password set
  6. DB: 0, // use default DB
  7. })
  8. err := client.HSet(context.Background(), "myhash", map[string]interface{}{
  9. "field1": "value1",
  10. "field2": 123,
  11. "field3": true,
  12. }).Err()
  13. if err != nil {
  14. panic(err)
  15. }
  16. }

In this example, we’re setting three fields (“field1”, “field2”, and “field3”) with different data types in the “myhash” hash map. The HSet method takes a context object as its first argument, the hash map key as its second argument, and a map of field-value pairs as its third argument. If any error occurs while executing the command, it will be returned by the Err method.

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