Method WalkAlter

exec/executor.go:332–335

WalkAlter walks the Alter plan.

(p *plan.Alter)

// WalkAlter walks the Alter plan.
func (m *JobExecutor) WalkAlter(p *plan.Alter) (Task, error) {
	root := m.NewTask(p)
	return root, root.Add(NewAlter(m.Ctx, p))
}

// WalkChildren walk dag of plan tasks creating execution tasks
func (m *JobExecutor) WalkChildren(p plan.Task, root Task) error {