db

type Connection interface {
	GetID() int
	SetID(id int)
	Close() error
	//执行语句，是否返回主键
	Create(sql string) error
	Read(sql string) (*sql.Rows, error)
	Update(sql string) error
	Delete(sql string) error
	IsUsed() bool
	Used(b bool)
}

type DbConnection struct {
	*sql.DB

	sync.RWMutex
	// contains filtered or unexported fields
}

type DbPool interface {
	//初始化链接池
	//数据库名称，类型，连接串，初始化连接数
	InitPool(database string, dbtype string, connstr string, initConnsNum int) error
	//从连接池中获取一个连接
	GetConnection() Connection
	//将连接还给连接池
	ReleaseConnection(conn Connection) bool
	//销毁数据连接池
	DestroyPool()
}

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