package main

import (
	"gitee.com/xuender/oils/level"
	"gitee.com/xuender/oils/logs"
	"gitee.com/xuender/oils/pb"
	"github.com/syndtr/goleveldb/leveldb"
	"github.com/syndtr/goleveldb/leveldb/storage"
)

func main() {
	db, _ := leveldb.Open(storage.NewMemStorage(), nil)
	defer db.Close()

	s := level.NewService(db)
	t := &pb.Test{Data: "x1"}

	s.Put([]byte("t_1"), t)
	t.Data = "x2"
	s.Put([]byte("t_2"), t)
	t.Data = "x3"
	s.Put([]byte("t_3"), t)

	ts := []*pb.Test{}

	cursor := s.Query([]byte("t_"), 2, &ts, nil)

	logs.Info(ts)

	ts = []*pb.Test{}
	_ = s.Query([]byte("t_"), 2, &ts, cursor)

	logs.Info(ts)
}