Class: XQueryTransitiveDependencies

Defined in: lang-xquery/src/visitors/transitive-deps.ts:9

Extends TransitiveDependencies to compute external column dependencies for TreeJoin and ProjectionSize operators.

Extends

• TransitiveDependencies

Implements

• XQueryPlanVisitor<IdSet>

Constructors

Constructor

new XQueryTransitiveDependencies(vmap): XQueryTransitiveDependencies

Defined in: lang-xquery/src/visitors/transitive-deps.ts:13

Parameters

Parameter	Type
vmap	Record<string, PlanVisitor<IdSet>>

Returns

XQueryTransitiveDependencies

Overrides

TransitiveDependencies.constructor

Properties

vmap

protected vmap: Record<string, PlanVisitor<IdSet>>

Defined in: core/dist/visitors/transitive-deps.d.ts:9

Per-language visitor map used for recursive descent.

Inherited from

TransitiveDependencies.vmap

Methods

clearCache()

clearCache(): void

Defined in: core/dist/visitors/transitive-deps.d.ts:54

Replaces the computation cache with a new empty WeakMap, invalidating all entries.

Returns

void

Inherited from

TransitiveDependencies.clearCache

---

getCache()

protected getCache(): WeakMap<PlanOperator, IdSet>

Defined in: core/dist/visitors/transitive-deps.d.ts:21

Returns the module-level WeakMap used as the computation cache.

Returns

WeakMap<PlanOperator, IdSet>

Inherited from

TransitiveDependencies.getCache

---

invalidateCacheDownstream()

invalidateCacheDownstream(operator): void

Defined in: core/dist/visitors/transitive-deps.d.ts:59

Removes operator and all of its ancestors from the cache, walking up via PlanOperator.parent until the root is reached.

Parameters

Parameter	Type
operator	PlanOperator

Returns

void

Inherited from

TransitiveDependencies.invalidateCacheDownstream

---

invalidateCacheElement()

invalidateCacheElement(operator): void

Defined in: core/dist/visitors/transitive-deps.d.ts:66

Removes only operator's own cache entry without touching its ancestors or children.

Parameters

Parameter	Type
operator	PlanOperator

Returns

void

Inherited from

TransitiveDependencies.invalidateCacheElement

---

invalidateCacheUpstream()

invalidateCacheUpstream(operator): void

Defined in: core/dist/visitors/transitive-deps.d.ts:64

Removes operator and the entire subtree rooted at it from the cache, recursing into all children.

Parameters

Parameter	Type
operator	PlanOperator

Returns

void

Inherited from

TransitiveDependencies.invalidateCacheUpstream

---

onlyExternal()

protected onlyExternal(deps, op): Trie<string | number | symbol, any>

Defined in: core/dist/visitors/transitive-deps.d.ts:17

Returns a clone of deps with all identifiers produced by op's own schema removed, leaving only those that must be satisfied from an outer scope.

Parameters

Parameter	Type
deps	IdSet
op	PlanTupleOperator

Returns

Trie<string | number | symbol, any>

Inherited from

TransitiveDependencies.onlyExternal

---

processNode()

protected processNode(node): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:19

Dispatches node through the per-language vmap and returns its transitive dependencies.

Parameters

Parameter	Type
node	PlanOperator

Returns

IdSet

Inherited from

TransitiveDependencies.processNode

---

visitAggregate()

visitAggregate(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:46

Parameters

Parameter	Type
operator	AggregateCall

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitAggregate

Inherited from

TransitiveDependencies.visitAggregate

---

visitBidirectionalRecursion()

visitBidirectionalRecursion(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:52

Parameters

Parameter	Type
operator	BidirectionalRecursion

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitBidirectionalRecursion

Inherited from

TransitiveDependencies.visitBidirectionalRecursion

---

visitCalculation()

visitCalculation(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:29

Parameters

Parameter	Type
operator	Calculation

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitCalculation

Inherited from

TransitiveDependencies.visitCalculation

---

visitCartesianProduct()

visitCartesianProduct(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:31

Parameters

Parameter	Type
operator	CartesianProduct

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitCartesianProduct

Inherited from

TransitiveDependencies.visitCartesianProduct

---

visitConditional()

visitConditional(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:30

Parameters

Parameter	Type
operator	Conditional

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitConditional

Inherited from

TransitiveDependencies.visitConditional

---

visitDifference()

visitDifference(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:43

Parameters

Parameter	Type
operator	Difference

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitDifference

Inherited from

TransitiveDependencies.visitDifference

---

visitDistinct()

visitDistinct(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:44

Parameters

Parameter	Type
operator	Distinct

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitDistinct

Inherited from

TransitiveDependencies.visitDistinct

---

visitFnCall()

visitFnCall(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:27

Parameters

Parameter	Type
operator	FnCall

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitFnCall

Inherited from

TransitiveDependencies.visitFnCall

---

visitGroupBy()

visitGroupBy(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:38

Parameters

Parameter	Type
operator	GroupBy

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitGroupBy

Inherited from

TransitiveDependencies.visitGroupBy

---

visitIndexedRecursion()

visitIndexedRecursion(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:51

Parameters

Parameter	Type
operator	IndexedRecursion

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitIndexedRecursion

Inherited from

TransitiveDependencies.visitIndexedRecursion

---

visitIndexScan()

visitIndexScan(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:50

Parameters

Parameter	Type
operator	IndexScan

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitIndexScan

Inherited from

TransitiveDependencies.visitIndexScan

---

visitIntersection()

visitIntersection(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:42

Parameters

Parameter	Type
operator	Intersection

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitIntersection

Inherited from

TransitiveDependencies.visitIntersection

---

visitItemFnSource()

visitItemFnSource(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:47

Parameters

Parameter	Type
operator	ItemFnSource

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitItemFnSource

Inherited from

TransitiveDependencies.visitItemFnSource

---

visitItemSource()

visitItemSource(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:26

Parameters

Parameter	Type
operator	ItemSource

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitItemSource

Inherited from

TransitiveDependencies.visitItemSource

---

visitJoin()

visitJoin(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:32

Parameters

Parameter	Type
operator	Join

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitJoin

Inherited from

TransitiveDependencies.visitJoin

---

visitLimit()

visitLimit(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:39

Parameters

Parameter	Type
operator	Limit

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitLimit

Inherited from

TransitiveDependencies.visitLimit

---

visitLiteral()

visitLiteral(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:28

Parameters

Parameter	Type
operator	Literal

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitLiteral

Inherited from

TransitiveDependencies.visitLiteral

---

visitMapFromItem()

visitMapFromItem(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:35

Parameters

Parameter	Type
operator	MapFromItem

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitMapFromItem

Inherited from

TransitiveDependencies.visitMapFromItem

---

visitMapToItem()

visitMapToItem(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:34

Parameters

Parameter	Type
operator	MapToItem

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitMapToItem

Inherited from

TransitiveDependencies.visitMapToItem

---

visitNullSource()

visitNullSource(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:45

Parameters

Parameter	Type
operator	NullSource

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitNullSource

Inherited from

TransitiveDependencies.visitNullSource

---

visitOrderBy()

visitOrderBy(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:37

Parameters

Parameter	Type
operator	OrderBy

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitOrderBy

Inherited from

TransitiveDependencies.visitOrderBy

---

visitProjection()

visitProjection(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:23

Parameters

Parameter	Type
operator	Projection

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitProjection

Inherited from

TransitiveDependencies.visitProjection

---

visitProjectionConcat()

visitProjectionConcat(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:33

Parameters

Parameter	Type
operator	ProjectionConcat

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitProjectionConcat

Inherited from

TransitiveDependencies.visitProjectionConcat

---

visitProjectionIndex()

visitProjectionIndex(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:36

Parameters

Parameter	Type
operator	ProjectionIndex

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitProjectionIndex

Inherited from

TransitiveDependencies.visitProjectionIndex

---

visitProjectionSize()

visitProjectionSize(operator): IdSet

Defined in: lang-xquery/src/visitors/transitive-deps.ts:28

Parameters

Parameter	Type
operator	ProjectionSize

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitProjectionSize

---

visitQuantifier()

visitQuantifier(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:49

Parameters

Parameter	Type
operator	Quantifier

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitQuantifier

Inherited from

TransitiveDependencies.visitQuantifier

---

visitRecursion()

visitRecursion(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:22

Parameters

Parameter	Type
operator	Recursion

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitRecursion

Inherited from

TransitiveDependencies.visitRecursion

---

visitSelection()

visitSelection(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:24

Parameters

Parameter	Type
operator	Selection

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitSelection

Inherited from

TransitiveDependencies.visitSelection

---

visitSetOp()

protected visitSetOp(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:40

Parameters

Parameter	Type
operator	SetOperator

Returns

IdSet

Inherited from

TransitiveDependencies.visitSetOp

---

visitTreeJoin()

visitTreeJoin(operator): IdSet

Defined in: lang-xquery/src/visitors/transitive-deps.ts:17

Parameters

Parameter	Type
operator	TreeJoin

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitTreeJoin

---

visitTupleFnSource()

visitTupleFnSource(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:48

Parameters

Parameter	Type
operator	TupleFnSource

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitTupleFnSource

Inherited from

TransitiveDependencies.visitTupleFnSource

---

visitTupleSource()

visitTupleSource(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:25

Parameters

Parameter	Type
operator	TupleSource

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitTupleSource

Inherited from

TransitiveDependencies.visitTupleSource

---

visitUnion()

visitUnion(operator): IdSet

Defined in: core/dist/visitors/transitive-deps.d.ts:41

Parameters

Parameter	Type
operator	Union

Returns

IdSet

Implementation of

XQueryPlanVisitor.visitUnion

Inherited from

TransitiveDependencies.visitUnion