redis/example/scan-struct/main.go

52 lines
993 B
Go

package main
import (
"context"
"github.com/davecgh/go-spew/spew"
"github.com/redis/go-redis/v9"
)
type Model struct {
Str1 string `redis:"str1"`
Str2 string `redis:"str2"`
Int int `redis:"int"`
Bool bool `redis:"bool"`
Ignored struct{} `redis:"-"`
}
func main() {
ctx := context.Background()
rdb := redis.NewClient(&redis.Options{
Addr: ":6379",
})
// Set some fields.
if _, err := rdb.Pipelined(ctx, func(rdb redis.Pipeliner) error {
rdb.HSet(ctx, "key", "str1", "hello")
rdb.HSet(ctx, "key", "str2", "world")
rdb.HSet(ctx, "key", "int", 123)
rdb.HSet(ctx, "key", "bool", 1)
return nil
}); err != nil {
panic(err)
}
var model1, model2 Model
// Scan all fields into the model.
if err := rdb.HGetAll(ctx, "key").Scan(&model1); err != nil {
panic(err)
}
// Or scan a subset of the fields.
if err := rdb.HMGet(ctx, "key", "str1", "int").Scan(&model2); err != nil {
panic(err)
}
spew.Dump(model1)
spew.Dump(model2)
}