wrapper

type DB interface {
	Querier
	BeginTxx(ctx context.Context, opts *sql.TxOptions) (Tx, error)
	Close() error
}

type GddDB struct {
	*sqlx.DB
}

type GddTx struct {
	*sqlx.Tx
}

type Querier interface {
	NamedExecContext(ctx context.Context, query string, arg interface{}) (sql.Result, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
	GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
	Rebind(query string) string
	BindNamed(query string, arg interface{}) (string, []interface{}, error)
	SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
}

type Tx interface {
	Querier
	Commit() error
	Rollback() error
}