join

type ConflictRule struct {
	// contains filtered or unexported fields
}

type ConflictRuleSet interface {
	Applicable(op JoinDescriptor, s1, s2 uint) bool
}

type DescriptorSet interface {
	NumRelations() int
	Relation(mask uint) plan.LogicalNode
	ForEachDescriptor(f func(JoinDescriptor))
}

type DescriptorSetBuilder interface {
	AddRelation(relation plan.LogicalNode) uint
	AddNode(node JoinDescriptor) uint
	MaskReferencedTables(condition impls.Expression) uint
}

type JoinDescriptor struct {
	// contains filtered or unexported fields
}

type JoinNode interface {
	fmt.Stringer
	ConvertRightJoinsToLeftJoins() JoinNode
	BuildDescriptor(b DescriptorSetBuilder) uint
	plan.LogicalNode
}

type JoinOperator struct {
	JoinType  join.JoinType
	Condition impls.Expression
}

type ProposedJoin interface {
	Reconstruct(ds DescriptorSet, vaild map[uint][]ProposedJoin) []JoinNode
}