Struct EdgesOperation 

pub struct EdgesOperation { /* private fields */ }

Trait Implementations

impl Clone for EdgesOperation

fn clone(&self) -> EdgesOperation

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Explain for EdgesOperation

fn describe<'__explain>( &'__explain self, formatter: &mut ExplainFormatter<'__explain, '_>, ) -> Result

impl Labeled for EdgesOperation

const LABEL: &'static str = "Edges"

impl LaneKernel<Indexed<GraphRecordAttribute, Unit>, Definite> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, value: KeyedStream<'a, NodeIndex, Unit, Definite>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl<O: OrderState> LaneKernel<Indexed<GraphRecordAttribute, Unit>, Multiple<O>> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, values: KeyedStream<'a, NodeIndex, Unit, Multiple<O>>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl LaneKernel<Indexed<GraphRecordAttribute, Unit>, Single> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, value: KeyedStream<'a, NodeIndex, Unit, Single>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl<I: IndexDomain> LaneKernel<Indexed<I, EntityReference<GraphRecordAttribute>>, Definite> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, value: KeyedStream<'a, I, EntityReference<NodeIndex>, Definite>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl<I: IndexDomain, O: OrderState> LaneKernel<Indexed<I, EntityReference<GraphRecordAttribute>>, Multiple<O>> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, values: KeyedStream<'a, I, EntityReference<NodeIndex>, Multiple<O>>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl<I: IndexDomain> LaneKernel<Indexed<I, EntityReference<GraphRecordAttribute>>, Single> for EdgesOperation

type Output = OperandHandle<Indexed<u32, Unit>, Multiple<Unordered>>

fn execute<'a>( graphrecord: &'a GraphRecord, value: KeyedStream<'a, I, EntityReference<NodeIndex>, Single>, direction: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

fn estimate(&self, input: Estimate, stats: &Stats<'_>) -> Estimate

impl Operation for EdgesOperation

where Self: Prepare + OperationInputs + Explain,

type Scope = Lane

impl OperationInputs for EdgesOperation

type Inputs<'__inputs, __Primary: '__inputs> = (&'__inputs __Primary,)

fn inputs<'__inputs, __Primary: '__inputs>( &'__inputs self, primary: &'__inputs __Primary, ) -> Self::Inputs<'__inputs, __Primary>

impl OptimizerHints for EdgesOperation

fn commutes_with_filter(&self) -> bool

fn allows_limit_pushdown(&self) -> bool

fn is_volatile(&self) -> bool

fn empty_rule(&self) -> EmptyRule

impl PlanIdentity for EdgesOperation

fn identity_eq(&self, other: &Self) -> bool

fn identity_hash<__Hasher: Hasher>(&self, state: &mut __Hasher)

impl PlanInputs for EdgesOperation

fn inputs(&self) -> Vec<&dyn PlanNode>

fn optimize(&self, session: &Session<'_>) -> Transformed<Self>

impl Prepare for EdgesOperation

type Prepared<'a> = EdgeDirection

fn prepare<'a>( &'a self, _graphrecord: &'a GraphRecord, _cache: &'a EvaluationCache<'a>, ) -> QueryResult<Self::Prepared<'a>>