kvdb

type DB struct {
	// contains filtered or unexported fields
}

type DBType struct {
	// contains filtered or unexported fields
}

type KV struct {
	// Key
	Key string
	// Value
	Val string
	// TTL(存活时间), 如果设置 ttl = 0 or Persistent, 这个key就会永久不删除
	TTL time.Duration
}

type KVInterface interface {
	// Set 设置值 kv 键值对
	Set(kv map[string][]byte) error
	// GetByKey 根据键名获取各自的值, key 键名
	GetByKey(key string) ([]byte, error)
	// GetByKeys 根据键名数组获取各自的值, keys 键名数组
	GetByKeys(keys []string) (map[string][]byte, error)
	// GetAll 获取全部
	GetAll() (map[string][]byte, error)
	// DeleteByKeys 删除键值
	DeleteByKeys(keys []string) error
	// DeleteByKeysTransaction 在事务中，删除键值
	DeleteByKeysTransaction(keys []string) error
	// DeleteBucket 移除Bucket
	DeleteBucket(bucketName string) (err error)
	// Backup 备份数据库文件
	Backup(backupDbFilePath string) error
	// Close 关库数据库
	Close()
}

type KeyValueStore interface {
	GetBytes(key string) ([]byte, error)
	Get(key string) (string, error)
	SetBytes(key string, val []byte, ttl time.Duration) error
	Set(key, val string, ttl time.Duration) error
	TTL(key string) (time.Duration, error)
	Expire(key string, ttl time.Duration) error
	Del(key string) error
	Range() ([]*KV, error)
}