database

type Conn interface {
	GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
	SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error
	Begin() (TxConn, error)
	Transaction(func(TxConn) error) error
	Close() error
}

type ConnPool struct {
	*sqlx.DB
}

type TxConn interface {
	Conn
	ExecContext(ctx context.Context, query string, args ...interface{}) *sql.Row
	Commit() error
	Rollback() error
}

type TxDatabase struct {
	ConnPool
	*sqlx.Tx
}