Interface QueryAble

driver/mysql/sql/sqlutils.go:243–247

from https://github.com/golang/go/issues/14468

// from https://github.com/golang/go/issues/14468
type QueryAble interface {
	ExecContext(ctx context.Context, query string, args ...interface{}) (gosql.Result, error)
	QueryContext(ctx context.Context, query string, args ...interface{}) (*gosql.Rows, error)
	QueryRowContext(ctx context.Context, query string, args ...interface{}) *gosql.Row
}

func GetServerUUID(db QueryAble) (result string, err error) {
	err = db.QueryRowContext(context.TODO(), `SELECT @@SERVER_UUID /*dtle*/`).Scan(&result)