plan_fragments

type Fragment struct {
	Node       logicalplan.Node
	FragmentID uint64
	ChildIDs   []uint64
	IsRoot     bool
}

type Fragmenter interface {
	// Fragment function fragments the logical query plan and will always return the fragment in the order of child-to-root
	// in other words, the order of the fragment in the array will be the order they are being scheduled
	Fragment(queryID uint64, node logicalplan.Node) ([]Fragment, error)
}

type PlanFragmenter struct {
}