Interface: BranchedOperator<T>

Defined in: packages/core/src/optimizer/rule.ts:19

A tuple operator with two input branches, such as a set operation.

Extends

• PlanTupleOperator

Type Parameters

Type Parameter	Default type
T extends PlanOperator	PlanOperator

Properties

lang

lang: Lowercase<string>

Defined in: packages/core/src/plan/visitor.ts:42

PlanOperator.lang

Inherited from

PlanTupleOperator.lang

---

left

left: T

Defined in: packages/core/src/optimizer/rule.ts:22

The left input branch.

---

parent?

optional parent?: PlanOperator

Defined in: packages/core/src/plan/visitor.ts:44

PlanOperator.parent

Inherited from

PlanTupleOperator.parent

---

right

right: T

Defined in: packages/core/src/optimizer/rule.ts:24

The right input branch.

---

schema

schema: ASTIdentifier[]

Defined in: packages/core/src/plan/visitor.ts:38

Ordered list of attribute identifiers produced by this operator.

Inherited from

PlanTupleOperator.schema

---

schemaSet

schemaSet: IdSet

Defined in: packages/core/src/plan/visitor.ts:40

Trie-backed set of the same paths as schema; used for O(k) membership tests.

Inherited from

PlanTupleOperator.schemaSet

Methods

accept()

abstract accept<Ret, Arg>(visitors, arg?): Ret

Defined in: packages/core/src/plan/visitor.ts:47

PlanOperator.accept

Type Parameters

Type Parameter
Ret
Arg

Parameters

Parameter	Type
visitors	Record<string, PlanVisitor<Ret, Arg>>
arg?	Arg

Returns

Ret

Inherited from

PlanTupleOperator.accept

---

addToSchema()

addToSchema(item): void

Defined in: packages/core/src/plan/visitor.ts:57

will preserve object references

Parameters

Parameter	Type
item	IdSet | ASTIdentifier | ASTIdentifier[]

Returns

void

Inherited from

PlanTupleOperator.addToSchema

---

clearSchema()

clearSchema(): void

Defined in: packages/core/src/plan/visitor.ts:102

will preserve object references

Returns

void

Inherited from

PlanTupleOperator.clearSchema

---

clone()

abstract clone(): PlanTupleOperator

Defined in: packages/core/src/plan/visitor.ts:110

PlanOperator.clone

Returns

PlanTupleOperator

Inherited from

PlanTupleOperator.clone

---

getChildren()

abstract getChildren(): PlanOperator[]

Defined in: packages/core/src/plan/visitor.ts:54

PlanOperator.getChildren

Returns

PlanOperator[]

Inherited from

PlanTupleOperator.getChildren

---

getDependencies()

getDependencies(): IdSet

Defined in: packages/core/src/plan/visitor.ts:113

PlanOperator.getDependencies

Returns

IdSet

Inherited from

PlanTupleOperator.getDependencies

---

removeFromSchema()

removeFromSchema(item): boolean

Defined in: packages/core/src/plan/visitor.ts:80

will preserve object references

Parameters

Parameter	Type
item	IdSet | ASTIdentifier | ASTIdentifier[]

Returns

boolean

Inherited from

PlanTupleOperator.removeFromSchema

---

replaceChild()

abstract replaceChild(current, replacement): void

Defined in: packages/core/src/plan/visitor.ts:52

PlanOperator.replaceChild

Parameters

Parameter	Type
current	PlanOperator
replacement	PlanOperator

Returns

void

Inherited from

PlanTupleOperator.replaceChild