optimize

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Versions in this module

v1

v1.0.0

Nov 11, 2026

Changes in this version

+ const EndpointResolutionFallbackCorrelatedPair

+ const EndpointResolutionFallbackMutation

+ const EndpointResolutionFallbackOptionalMatch

+ const EndpointResolutionFallbackPlannedOnly

+ const EndpointResolutionFallbackSmallSetOverflow

+ const EndpointResolutionFallbackUnsupported

+ const EndpointResolutionSingletonLimit

+ const EndpointResolutionSingletonSentinel

+ const EndpointResolutionSmallSetLimit

+ const EndpointResolutionSmallSetSentinel

+ const ExpansionSearchExecutionBoundaryGuardedDualArm

+ const ExpansionSearchExecutionBoundaryInlineStatement

+ const ExpansionSearchExecutionBoundaryTransactionRetry

+ const ExpansionSearchFallbackAllShortestPaths

+ const ExpansionSearchFallbackCorrelatedSuffix

+ const ExpansionSearchFallbackCorrelatedTerminal

+ const ExpansionSearchFallbackCrossRegionPredicate

+ const ExpansionSearchFallbackDirectionlessExpansion

+ const ExpansionSearchFallbackDirectionlessPrefix

+ const ExpansionSearchFallbackDirectionlessSuffix

+ const ExpansionSearchFallbackExpansionNotTerminal

+ const ExpansionSearchFallbackLimitPushdownConflict

+ const ExpansionSearchFallbackMultipleVariableExpansions

+ const ExpansionSearchFallbackMutation

+ const ExpansionSearchFallbackNoFixedPrefix

+ const ExpansionSearchFallbackNoFixedSuffix

+ const ExpansionSearchFallbackNonDeterministicPredicate

+ const ExpansionSearchFallbackOptionalMatch

+ const ExpansionSearchFallbackPathDependentPredicate

+ const ExpansionSearchFallbackPrefixTooLong

+ const ExpansionSearchFallbackRelationshipPredicate

+ const ExpansionSearchFallbackRelationshipVariable

+ const ExpansionSearchFallbackShortestPath

+ const ExpansionSearchFallbackSuffixTooShort

+ const ExpansionSearchFallbackTerminalNotSelective

+ const ExpansionSearchFallbackTournamentUnqualified

+ const ExpansionSearchFallbackUnboundRoot

+ const ExpansionSearchFallbackUnboundedDepth

+ const ExpansionSearchFallbackUnsupportedDepth

+ const ExpansionSearchFallbackUnsupportedObservation

+ const ExpansionSearchFallbackZeroDepth

+ const ExpansionSearchOrientationDirectionalDegreeRowLimit

+ const ExpansionSearchOrientationForwardScoreMultiplier

+ const ExpansionSearchOrientationReverseScoreMultiplier

+ const ExpansionSearchOrientationReverseSeedRowLimit

+ const ExpansionSearchOrientationRootRowLimit

+ const ExpansionSearchOrientationStateLimit

+ const ExpansionSearchOrientationV2ForwardScoreMultiplier

+ const ExpansionSearchOrientationV2ReverseScoreMultiplier

+ const ExpansionSearchPolicyEndpointGuardV1

+ const ExpansionSearchPolicyOrientationProbeV1

+ const ExpansionSearchPolicyOrientationProbeV2

+ const ExpansionSearchPolicySuffixReverseGuardV1

+ const ExpansionSearchPolicySuffixReverseRetryV1

+ const ExpansionSearchPolicyTopologyFixedSuffixFirstUseV1

+ const ExpansionSearchPolicyTopologyFixedSuffixV1

+ const ExpansionSearchSelectorFixedSuffixPathV1

+ const ExpansionSearchSelectorSuffixRouteComponentV1

+ const ExpansionSearchSuffixReverseGuardStateLimit

+ const ExpansionSearchSuffixReverseGuardSuffixRowLimit

+ const ExpansionSearchSuffixReverseRetryOutputBytesLimit

+ const ExpansionSearchSuffixReverseRetryOutputRowLimit

+ const LoweringEndpointResolution

+ const LoweringExpansionSearchStrategy

+ const LoweringFieldRequirements

+ const LoweringShortestPathExecutor

+ const LoweringTraversalPredicateClassification

+ const ShortestPathExecutorASPA1DAG

+ const ShortestPathExecutorASPB1AlternatingNodeDAG

+ const ShortestPathExecutorASPB2SmallerCurrentLevelDAG

+ const ShortestPathExecutorASPI1DAG

+ const ShortestPathExecutorASPN1NegativeExhaustion

+ const ShortestPathExecutorB1AlternatingNodeDistance

+ const ShortestPathExecutorB1AlternatingNodeWitness

+ const ShortestPathExecutorB2SmallerCurrentLevelDistance

+ const ShortestPathExecutorB2SmallerCurrentLevelWitness

+ const ShortestPathExecutorI1CanonicalDistance

+ const ShortestPathExecutorI1CanonicalPredecessorWitness

+ const ShortestPathExecutorI1CanonicalWitness

+ const ShortestPathExecutorI2GuardedDistance

+ const ShortestPathExecutorI2GuardedDistanceV2

+ const ShortestPathExecutorI2GuardedDistanceV2E0

+ const ShortestPathExecutorI2GuardedDistanceV2E1

+ const ShortestPathExecutorI2GuardedDistanceV2E1D

+ const ShortestPathExecutorI2GuardedDistanceV2E1DP

+ const ShortestPathExecutorI2GuardedDistanceV2E1P

+ const ShortestPathExecutorIncumbentWorkspace

+ const ShortestPathExecutorS0Direct

+ const ShortestPathExecutorS1ArrayBFS

+ const ShortestPathExecutorS2TraceRelation

+ const ShortestPathExecutorS3EdgeM0

+ const ShortestPathExecutorS3Unidirectional

+ const ShortestPathExecutorS4CanonicalDistance

+ const ShortestPathExecutorS4CanonicalWitness

+ const ShortestPathFallbackAllShortestPaths

+ const ShortestPathFallbackCorrelatedEndpoints

+ const ShortestPathFallbackDeepInboundUnqualified

+ const ShortestPathFallbackDirectionless

+ const ShortestPathFallbackMultipleEndpointPairs

+ const ShortestPathFallbackMultipleIDEqualities

+ const ShortestPathFallbackMultiplePathCalls

+ const ShortestPathFallbackMutation

+ const ShortestPathFallbackNonSingleKindPathState

+ const ShortestPathFallbackNonSingletonID

+ const ShortestPathFallbackOptionalMatch

+ const ShortestPathFallbackPathPredicate

+ const ShortestPathFallbackRelationshipPredicate

+ const ShortestPathFallbackRelationshipVariable

+ const ShortestPathFallbackTournamentUnqualified

+ const ShortestPathFallbackUnsupportedDepth

+ const ShortestPathI2QualifiedFrontierLimit

+ const ShortestPathI2QualifiedStateLimit

+ const ShortestPathPolicyASPI1GuardedV1

+ const ShortestPathPolicyI1CanonicalGuardedV1

+ const ShortestPathPolicyI2DistanceGuardedV1

+ const ShortestPathPolicyI2DistanceGuardedV2

+ const ShortestPathSelectorStaticV6

+ const ShortestPathSelectorStaticV7Contained

+ const ShortestPathSelectorStaticV8HiddenFanIn

+ const ShortestPathSelectorStaticV9HiddenFanInTail

+ const TraversalPredicateFallbackCorrelation

+ const TraversalPredicateFallbackMutation

+ const TraversalPredicateFallbackOptional

+ const TraversalPredicateFallbackPlannedOnly

+ const TraversalPredicateFallbackUnsupported

+ const TraversalPredicateFallbackWholePath

+ type EndpointResolutionCaps struct

+ SingletonLimit int64

+ SingletonSentinel int64

+ SmallSetLimit int64

+ SmallSetSentinel int64

+ type EndpointResolutionClass string

+ const EndpointResolutionClassCorrelatedPair

+ const EndpointResolutionClassExplicitSmallSet

+ const EndpointResolutionClassIDEquality

+ const EndpointResolutionClassNonUniquePropertyEquality

+ const EndpointResolutionClassUniquePropertyEquality

+ const EndpointResolutionClassUnsupported

+ type EndpointResolutionDecision struct

+ CandidatePlan EndpointResolutionPlan

+ Caps EndpointResolutionCaps

+ EligibilityFacts []EndpointResolutionEligibilityFact

+ FallbackPlan EndpointResolutionPlan

+ FallbackReason string

+ Family string

+ PairClass EndpointResolutionClass

+ PlannedCandidates []EndpointResolutionPlan

+ PlannedClasses []EndpointResolutionClass

+ Root EndpointResolutionInput

+ SelectedPlan EndpointResolutionPlan

+ SelectionMode string

+ SelectorVersion string

+ StaticallyEligible bool

+ StructurallyEligible bool

+ Target TraversalStepTarget

+ Terminal EndpointResolutionInput

+ type EndpointResolutionEligibilityFact struct

+ Eligible bool

+ Name string

+ type EndpointResolutionInput struct

+ Class EndpointResolutionClass

+ Limit int64

+ ParameterizedSet bool

+ Property string

+ Sentinel int64

+ StaticValueCount int

+ Symbol string

+ type EndpointResolutionPlan string

+ const EndpointResolutionPlanBounded

+ const EndpointResolutionPlanIncumbent

+ type ExpansionSearchAdmission struct

+ FallbackStrategy ExpansionSearchStrategy

+ OutputBytesLimit int64

+ OutputRowLimit int64

+ RequiresCompleteProbes bool

+ StateLimit int64

+ type ExpansionSearchEligibilityFact struct

+ Eligible bool

+ Name string

+ type ExpansionSearchObservationMode string

+ const ExpansionSearchObservationEndpointIDs

+ const ExpansionSearchObservationFullPath

+ const ExpansionSearchObservationOrderedPathIDs

+ const ExpansionSearchObservationUnsupported

+ type ExpansionSearchPolicy string

+ type ExpansionSearchProbeCaps struct

+ DirectionalDegreeRowLimit int64

+ ReverseSeedRowLimit int64

+ RootRowLimit int64

+ SurvivalRowLimit int64

+ type ExpansionSearchStrategy string

+ const ExpansionSearchBackwardViabilityForward

+ const ExpansionSearchEndpointSeededReverse

+ const ExpansionSearchFactoredSuffixForward

+ const ExpansionSearchLateHydratedForward

+ const ExpansionSearchStepwiseForward

+ const ExpansionSearchSuffixSeededReverse

+ type ExpansionSearchStrategyDecision struct

+ Admission ExpansionSearchAdmission

+ CandidateStrategy ExpansionSearchStrategy

+ EligibilityFacts []ExpansionSearchEligibilityFact

+ EmittedCandidates []ExpansionSearchStrategy

+ EmittedPolicy ExpansionSearchPolicy

+ EndpointLimit int64

+ ExecutionBoundary string

+ FallbackReason string

+ FallbackStrategy ExpansionSearchStrategy

+ Family string

+ HasFinalLimit bool

+ LogicalDirection string

+ MaximumDepth int64

+ MinimumDepth int64

+ ObservationMode ExpansionSearchObservationMode

+ PlannedCandidates []ExpansionSearchStrategy

+ PlannedPolicy ExpansionSearchPolicy

+ PrefixEndStep int

+ PrefixLength int

+ PrefixStartStep int

+ ProbeCaps ExpansionSearchProbeCaps

+ SeedPredicateClass string

+ SelectedStrategy ExpansionSearchStrategy

+ SelectionMode string

+ SelectorVersion string

+ StateLimit int64

+ StaticallyEligible bool

+ StructurallyEligible bool

+ SuffixEndStep int

+ SuffixLength int

+ SuffixStartStep int

+ Target TraversalStepTarget

type ExpansionSuffixPushdownDecision

+ ApplySupplemental bool

+ Reason string

+ type FieldRequirement string

+ const FieldRequirementEntityID

+ const FieldRequirementFullEntity

+ const FieldRequirementFullPath

+ const FieldRequirementKinds

+ const FieldRequirementOrderedPathEdgeIDs

+ const FieldRequirementProperties

+ const FieldRequirementRelationshipIDs

+ type FieldRequirementDecision struct

+ Fields []FieldRequirement

+ LastUse int

+ QueryPartIndex int

+ Symbol string

+ Uses []FieldRequirementUse

+ type FieldRequirementUse struct

+ Fields []FieldRequirement

+ Internal bool

+ Ordinal int

type LoweringPlan

+ EndpointResolution []EndpointResolutionDecision

+ ExpansionSearchStrategy []ExpansionSearchStrategyDecision

+ FieldRequirements []FieldRequirementDecision

+ ShortestPathExecutor []ShortestPathExecutorDecision

+ TraversalPredicate []TraversalPredicateDecision

+ type ShortestPathEligibilityFact struct

+ Eligible bool

+ Name string

+ type ShortestPathExecutor string

+ func (s ShortestPathExecutor) ExecutionBoundary() string

+ func (s ShortestPathExecutor) Scheduler() ShortestPathScheduler

+ type ShortestPathExecutorDecision struct

+ Direction graph.Direction

+ Eligibility []ShortestPathEligibilityFact

+ EnumerationLimit int64

+ ExecutionBoundary string

+ ExperimentalWinner bool

+ FallbackExecutor ShortestPathExecutor

+ FallbackReason string

+ Family string

+ FrontierLimit int64

+ MaximumDepth int64

+ MaximumDepthSource ShortestPathMaximumDepthSource

+ MinimumDepth int64

+ ObservationMode ShortestPathObservationMode

+ OutputBytesLimit int64

+ PhysicalExpansion ShortestPathPhysicalExpansion

+ PlannedCandidates []ShortestPathExecutor

+ PredecessorLimit int64

+ RelationshipKindCount int

+ Scheduler ShortestPathScheduler

+ SelectedExecutor ShortestPathExecutor

+ SelectionMode string

+ SelectorVersion string

+ StateLimit int64

+ StaticallyEligible bool

+ StructurallyEligible bool

+ Target TraversalStepTarget

+ TopologyClassification ShortestPathTopologyClassification

+ UntypedRelationship bool

+ type ShortestPathMaximumDepthSource string

+ const ShortestPathMaximumDepthExplicit

+ const ShortestPathMaximumDepthPolicyDefault

+ const ShortestPathMaximumDepthUnbounded

+ type ShortestPathObservationMode string

+ const ShortestPathObservationAllPaths

+ const ShortestPathObservationDistance

+ const ShortestPathObservationOnePath

+ const ShortestPathObservationUnknown

+ type ShortestPathPhysicalExpansion string

+ const ShortestPathPhysicalExpansionEndID

+ const ShortestPathPhysicalExpansionStartID

+ type ShortestPathScheduler string

+ const ShortestPathSchedulerSingleEndedLevel

+ const ShortestPathSchedulerSmallerCurrentLevel

+ const ShortestPathSchedulerStrictAlternatingNode

+ type ShortestPathTopologyClassification string

+ const ShortestPathTopologyDirectionless

+ const ShortestPathTopologyPhysicalInboundDeep

+ const ShortestPathTopologyPhysicalInboundShallow

+ const ShortestPathTopologyPhysicalOutbound

+ type TraversalPredicateClass string

+ const TraversalPredicateClassStepLocalNode

+ const TraversalPredicateClassStepLocalRelationship

+ const TraversalPredicateClassUniversalAllNodes

+ const TraversalPredicateClassUniversalAllRelationships

+ const TraversalPredicateClassUniversalNoneNodes

+ const TraversalPredicateClassUniversalNoneRelationships

+ const TraversalPredicateClassUnsupported

+ const TraversalPredicateClassWholePath

+ type TraversalPredicateDecision struct

+ BindingSymbol string

+ CandidatePlan TraversalPredicatePlan

+ Class TraversalPredicateClass

+ ClassifierVersion string

+ EligibilityFacts []TraversalPredicateEligibilityFact

+ FallbackPlan TraversalPredicatePlan

+ FallbackReason string

+ PathSymbol string

+ PlannedCandidates []TraversalPredicatePlan

+ PredicateIndex int

+ ReferencedSymbols []string

+ SelectedPlan TraversalPredicatePlan

+ SelectionMode string

+ Source string

+ StaticallyEligible bool

+ StructurallyEligible bool

+ Target TraversalStepTarget

+ type TraversalPredicateEligibilityFact struct

+ Eligible bool

+ Name string

+ type TraversalPredicatePlan string

+ const TraversalPredicatePlanIncumbent

+ const TraversalPredicatePlanStep

v0

v0.10.0

Oct 28, 2026

v0.9.3

Oct 15, 2026

v0.9.2

Oct 15, 2026

v0.9.1

Oct 7, 2026

v0.9.0

Sep 18, 2026

v0.8.1

Sep 11, 2026

v0.8.0

Aug 31, 2026

Changes in this version

type Optimizer

+ func (s Optimizer) OptimizeBorrowed(query *cypher.RegularQuery) (Plan, error)

type Plan

+ func OptimizeBorrowed(query *cypher.RegularQuery) (Plan, error)

+ func (s *Plan) EnsureMutable() *cypher.RegularQuery

v0.7.1

Aug 21, 2026

Changes in this version

+ type InboundTraversalReversalRule struct

+ func (s InboundTraversalReversalRule) Apply(plan *Plan) (bool, error)

+ func (s InboundTraversalReversalRule) Name() string

v0.7.0

Aug 7, 2026

Changes in this version

+ const LoweringExactRangeExpansion

+ const LoweringPathRelationshipPredicate

+ func ExactPatternRangeDepth(patternRange *cypher.PatternRange) int64

+ type ExactRangeExpansionDecision struct

+ Depth int64

+ Target TraversalStepTarget

type LoweringPlan

+ ExactRangeExpansion []ExactRangeExpansionDecision

+ PathRelationshipPredicate []PathRelationshipPredicateDecision

+ type PathRelationshipPredicateDecision struct

+ BindingSymbol string

+ PathSymbol string

+ Target QuantifierTarget

+ type QuantifierTarget struct

+ QuantifierIndex int

+ QueryPartIndex int

v0.6.0

Jun 23, 2026

Changes in this version

+ const LoweringAggregateTraversalCount

+ const LoweringCollectIDMembership

+ const LoweringCountStoreFastPath

+ const LoweringExpandIntoDetection

+ const LoweringExpansionSuffixPushdown

+ const LoweringLatePathMaterialization

+ const LoweringLimitPushdown

+ const LoweringPredicatePlacement

+ const LoweringProjectionPruning

+ const LoweringShortestPathFilter

+ const LoweringShortestPathStrategy

+ const LoweringTraversalDirection

+ func AddFromClauseBindings(localScope *pgsql.IdentifierSet, fromClauses []pgsql.FromClause)

+ func AddFromExpressionBinding(localScope *pgsql.IdentifierSet, expression pgsql.Expression)

+ func ExpressionReferencesOnlyLocalIdentifiers(expression pgsql.Expression, localScope *pgsql.IdentifierSet) bool

+ func FlattenConjunction(expr pgsql.Expression) []pgsql.Expression

+ func FromExpressionReferencesOnlyLocalIdentifiers(expression pgsql.Expression, localScopes ...*pgsql.IdentifierSet) bool

+ func IndexPatternPredicateTargets(query *cypher.RegularQuery) map[*cypher.PatternPredicate]PatternTarget

+ func IndexPatternTargets(query *cypher.RegularQuery) map[*cypher.PatternPart]PatternTarget

+ func IsBidirectionalSearchAnchor(selectivity int) bool

+ func IsLocalToScope(expression pgsql.Expression, localScope *pgsql.IdentifierSet) bool

+ func MeasureSelectivity(bindings BindingLookup, expression pgsql.Expression) (int, error)

+ func PartitionConstraintByLocality(expression pgsql.Expression, localScope *pgsql.IdentifierSet) (pgsql.Expression, pgsql.Expression)

+ func QueryReferencesOnlyLocalIdentifiers(query pgsql.Query, localScope *pgsql.IdentifierSet) bool

+ func SelectReferencesOnlyLocalIdentifiers(selectBody pgsql.Select, localScope *pgsql.IdentifierSet) bool

+ func SubqueryReferencesOnlyLocalIdentifiers(subquery pgsql.Subquery, localScope *pgsql.IdentifierSet) bool

+ type AggregateTraversalCountDecision struct

+ CountAlias string

+ Limit int64

+ QueryPartIndex int

+ SourceSymbol string

+ Target TraversalStepTarget

+ TerminalSymbol string

+ type AggregateTraversalCountShape struct

+ CountAlias string

+ Direction graph.Direction

+ Limit int64

+ MaxDepth int64

+ MinDepth int64

+ QueryPartIndex int

+ RelationshipKinds graph.Kinds

+ ReturnCount bool

+ ReturnCountAlias string

+ ReturnSourceAlias string

+ SourceKinds graph.Kinds

+ SourceMatch *cypher.Match

+ SourceSymbol string

+ Target TraversalStepTarget

+ TerminalKinds graph.Kinds

+ TerminalMatch *cypher.Match

+ TerminalSymbol string

+ func AggregateTraversalCountShapeForQuery(query *cypher.RegularQuery) (AggregateTraversalCountShape, bool)

+ type Analysis struct

+ QueryParts []QueryPart

+ func Analyze(query *cypher.RegularQuery) Analysis

+ func (s Analysis) Diagnostics() []string

+ func (s Analysis) String() string

+ type Barrier struct

+ ClauseIndex int

+ Dependencies []string

+ Kind BarrierKind

+ QueryPartIndex int

+ type BarrierKind string

+ const BarrierKindOptionalMatch

+ const BarrierKindReturn

+ const BarrierKindUnwind

+ const BarrierKindUpdate

+ const BarrierKindWith

+ type Binding struct

+ ClauseIndex int

+ Kind BindingKind

+ PatternIndex int

+ Symbol string

+ type BindingKind string

+ const BindingKindNode

+ const BindingKindPath

+ const BindingKindRelationship

+ type BindingLookup interface

+ LookupDataType func(identifier pgsql.Identifier) (pgsql.DataType, bool)

+ type ConservativePatternReorderingRule struct

+ func (s ConservativePatternReorderingRule) Apply(plan *Plan) (bool, error)

+ func (s ConservativePatternReorderingRule) Name() string

+ type CountStoreFastPathDecision struct

+ BindingSymbol string

+ ClauseIndex int

+ KindSymbols []string

+ PatternIndex int

+ QueryPartIndex int

+ Target CountStoreFastPathTarget

+ type CountStoreFastPathTarget string

+ const CountStoreFastPathEdge

+ const CountStoreFastPathNode

+ type ExpandIntoDecision struct

+ Target TraversalStepTarget

+ type ExpansionSuffixPushdownDecision struct

+ PredicateAttachments []PredicateAttachment

+ SuffixEndStep int

+ SuffixLength int

+ SuffixStartStep int

+ Target TraversalStepTarget

+ type LatePathMaterializationDecision struct

+ Mode LatePathMaterializationMode

+ Target TraversalStepTarget

+ type LatePathMaterializationMode string

+ const LatePathMaterializationEdgeComposite

+ const LatePathMaterializationExpansionPath

+ const LatePathMaterializationPathEdgeID

+ type LimitPushdownDecision struct

+ Mode LimitPushdownMode

+ Target TraversalStepTarget

+ type LimitPushdownMode string

+ const LimitPushdownShortestPathHarness

+ const LimitPushdownTraversalCTE

+ type LoweringDecision struct

+ Name string

+ type LoweringPlan struct

+ AggregateTraversalCount []AggregateTraversalCountDecision

+ CountStoreFastPath []CountStoreFastPathDecision

+ ExpandInto []ExpandIntoDecision

+ ExpansionSuffixPushdown []ExpansionSuffixPushdownDecision

+ LatePathMaterialization []LatePathMaterializationDecision

+ LimitPushdown []LimitPushdownDecision

+ PatternPredicate []PatternPredicatePlacementDecision

+ PredicatePlacement []PredicatePlacementDecision

+ ProjectionPruning []ProjectionPruningDecision

+ ShortestPathFilter []ShortestPathFilterDecision

+ ShortestPathStrategy []ShortestPathStrategyDecision

+ TraversalDirection []TraversalDirectionDecision

+ func BuildLoweringPlan(query *cypher.RegularQuery, predicateAttachments []PredicateAttachment) (LoweringPlan, error)

+ func (s LoweringPlan) Decisions() []LoweringDecision

+ func (s LoweringPlan) Empty() bool

+ type MatchClause struct

+ Index int

+ PatternCount int

+ WherePredicates int

+ type Optimizer struct

+ func NewOptimizer(rules ...Rule) Optimizer

+ func (s Optimizer) Optimize(query *cypher.RegularQuery) (Plan, error)

+ type PathVariable struct

+ ClauseIndex int

+ Dependencies []string

+ NodeCount int

+ PatternIndex int

+ RelationshipCount int

+ Symbol string

+ VariableLength bool

+ type PatternPredicatePlacementDecision struct

+ Mode PatternPredicatePlacementMode

+ Target TraversalStepTarget

+ type PatternPredicatePlacementMode string

+ const PatternPredicatePlacementExistence

+ type PatternTarget struct

+ ClauseIndex int

+ PatternIndex int

+ Predicate bool

+ PredicateIndex int

+ QueryPartIndex int

+ func (s PatternTarget) TraversalStep(stepIndex int) TraversalStepTarget

+ type Plan struct

+ Analysis Analysis

+ LoweringPlan LoweringPlan

+ PredicateAttachments []PredicateAttachment

+ Query *cypher.RegularQuery

+ Rules []RuleResult

+ func Optimize(query *cypher.RegularQuery) (Plan, error)

+ type Predicate struct

+ ClauseIndex int

+ Dependencies []string

+ ExpressionIndex int

+ type PredicateAttachment struct

+ BindingSymbols []string

+ ClauseIndex int

+ Dependencies []string

+ ExpressionIndex int

+ QueryPartIndex int

+ RegionIndex int

+ Scope PredicateAttachmentScope

+ func AttachPredicates(analysis Analysis) []PredicateAttachment

+ type PredicateAttachmentRule struct

+ func (s PredicateAttachmentRule) Apply(plan *Plan) (bool, error)

+ func (s PredicateAttachmentRule) Name() string

+ type PredicateAttachmentScope string

+ const PredicateAttachmentScopeBinding

+ const PredicateAttachmentScopeRegion

+ type PredicatePlacementDecision struct

+ Attachment PredicateAttachment

+ Placement PredicateAttachmentScope

+ Target TraversalStepTarget

+ type ProjectionPruningDecision struct

+ OmitLeftNode bool

+ OmitPathBinding bool

+ OmitRelationship bool

+ OmitRightNode bool

+ PatternBindingReferenced bool

+ ReferencedSymbols []string

+ Target TraversalStepTarget

+ type QueryPart struct

+ Barriers []Barrier

+ Index int

+ Kind QueryPartKind

+ ProjectionDependencies []string

+ Regions []Region

+ type QueryPartKind string

+ const QueryPartKindMulti

+ const QueryPartKindSingle

+ type Region struct

+ BindingOccurrences []Binding

+ Bindings []Binding

+ Clauses []MatchClause

+ EndClause int

+ PathVariables []PathVariable

+ Predicates []Predicate

+ QueryPartIndex int

+ StartClause int

+ type Rule interface

+ Apply func(*Plan) (bool, error)

+ Name func() string

+ func DefaultRules() []Rule

+ type RuleResult struct

+ Applied bool

+ Name string

+ type SelectivityModel struct

+ func NewSelectivityModel(bindings BindingLookup) SelectivityModel

+ func (s SelectivityModel) EndpointSelectivity(expression pgsql.Expression, bound, hasPreviousFrameBinding bool) (int, error)

+ func (s SelectivityModel) Measure(expression pgsql.Expression) (int, error)

+ func (s SelectivityModel) ShouldFlipTraversalDirection(leftBound, rightBound bool, leftExpression, rightExpression pgsql.Expression) (bool, error)

+ type ShortestPathFilterDecision struct

+ Mode ShortestPathFilterMode

+ Reason string

+ Target TraversalStepTarget

+ type ShortestPathFilterMode string

+ const ShortestPathFilterEndpointPair

+ const ShortestPathFilterTerminal

+ type ShortestPathStrategy string

+ const ShortestPathStrategyBidirectional

+ const ShortestPathStrategyUnidirectional

+ type ShortestPathStrategyDecision struct

+ Reason string

+ Strategy ShortestPathStrategy

+ Target TraversalStepTarget

+ type TraversalDirectionDecision struct

+ Flip bool

+ Reason string

+ Target TraversalStepTarget

+ type TraversalStepTarget struct

+ ClauseIndex int

+ PatternIndex int

+ Predicate bool

+ PredicateIndex int

+ QueryPartIndex int

+ StepIndex int

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