| 29 | } |
| 30 | |
| 31 | func main() { |
| 32 | ctx := context.Background() |
| 33 | |
| 34 | rdb := redis.NewClient(&redis.Options{ |
| 35 | Addr: ":6379", |
| 36 | }) |
| 37 | |
| 38 | _ = rdb.FlushDB(ctx).Err() |
| 39 | |
| 40 | t := time.Date(2025, 02, 8, 0, 0, 0, 0, time.UTC) |
| 41 | |
| 42 | data := Model{ |
| 43 | Str1: "hello", |
| 44 | Str2: "world", |
| 45 | Str3: ToPtr("hello"), |
| 46 | Str4: nil, |
| 47 | Bytes: []byte("this is bytes !"), |
| 48 | Int: 123, |
| 49 | Int2: ToPtr(0), |
| 50 | Int3: nil, |
| 51 | Bool: true, |
| 52 | Bool2: ToPtr(false), |
| 53 | Bool3: nil, |
| 54 | Time: t, |
| 55 | Time2: ToPtr(t), |
| 56 | Time3: nil, |
| 57 | Ignored: struct{}{}, |
| 58 | } |
| 59 | |
| 60 | // Set some fields. |
| 61 | if _, err := rdb.Pipelined(ctx, func(rdb redis.Pipeliner) error { |
| 62 | rdb.HMSet(ctx, "key", data) |
| 63 | return nil |
| 64 | }); err != nil { |
| 65 | panic(err) |
| 66 | } |
| 67 | |
| 68 | var model1, model2 Model |
| 69 | |
| 70 | // Scan all fields into the model. |
| 71 | if err := rdb.HGetAll(ctx, "key").Scan(&model1); err != nil { |
| 72 | panic(err) |
| 73 | } |
| 74 | |
| 75 | // Or scan a subset of the fields. |
| 76 | if err := rdb.HMGet(ctx, "key", "str1", "int").Scan(&model2); err != nil { |
| 77 | panic(err) |
| 78 | } |
| 79 | |
| 80 | spew.Dump(model1) |
| 81 | // Output: |
| 82 | // (main.Model) { |
| 83 | // Str1: (string) (len=5) "hello", |
| 84 | // Str2: (string) (len=5) "world", |
| 85 | // Str3: (*string)(0xc000016970)((len=5) "hello"), |
| 86 | // Str4: (*string)(0xc000016980)(""), |
| 87 | // Bytes: ([]uint8) (len=15 cap=16) { |
| 88 | // 00000000 74 68 69 73 20 69 73 20 62 79 74 65 73 20 21 |this is bytes !| |