Class: ItemSource

Defined in: packages/core/src/plan/operators/item/item-source.ts:10

A leaf operator that produces items from a named data source.

Implements

• PlanOperator

Constructors

Constructor

new ItemSource(lang, name): ItemSource

Defined in: packages/core/src/plan/operators/item/item-source.ts:17

Parameters

Parameter	Type	Description
lang	Lowercase<string>	PlanOperator.lang
name	ASTIdentifier | Aliased<ASTIdentifier>	This should be aliased only while building the plan. It should be replaced with Projection before the actual execution.

Returns

ItemSource

Properties

lang

lang: Lowercase<string>

Defined in: packages/core/src/plan/operators/item/item-source.ts:19

PlanOperator.lang

Implementation of

PlanOperator.lang

---

name

name: ASTIdentifier | Aliased<ASTIdentifier>

Defined in: packages/core/src/plan/operators/item/item-source.ts:21

Data source name; may be aliased during plan construction but must be resolved before execution.

---

parent

parent: PlanOperator

Defined in: packages/core/src/plan/operators/item/item-source.ts:12

PlanOperator.parent

Implementation of

PlanOperator.parent

Methods

accept()

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

Defined in: packages/core/src/plan/operators/item/item-source.ts:25

PlanOperator.accept

Type Parameters

Type Parameter
Ret
Arg

Parameters

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

Returns

Ret

Implementation of

PlanOperator.accept

---

clone()

clone(): ItemSource

Defined in: packages/core/src/plan/operators/item/item-source.ts:40

PlanOperator.clone

Returns

ItemSource

Implementation of

PlanOperator.clone

---

getChildren()

getChildren(): PlanOperator[]

Defined in: packages/core/src/plan/operators/item/item-source.ts:36

PlanOperator.getChildren

Returns

PlanOperator[]

Implementation of

PlanOperator.getChildren

---

getDependencies()

getDependencies(): IdSet

Defined in: packages/core/src/plan/operators/item/item-source.ts:44

PlanOperator.getDependencies

Returns

IdSet

Implementation of

PlanOperator.getDependencies

---

replaceChild()

replaceChild(current, replacement): void

Defined in: packages/core/src/plan/operators/item/item-source.ts:32

PlanOperator.replaceChild

Parameters

Parameter	Type
current	PlanOperator
replacement	PlanOperator

Returns

void

Implementation of

PlanOperator.replaceChild