Struct EqualToOperation 

pub struct EqualToOperation<A> { /* private fields */ }

Trait Implementations

impl<A: Clone> Clone for EqualToOperation<A>

fn clone(&self) -> EqualToOperation<A>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<V, A> ElementKernel<Bare<V>> for EqualToOperation<A>

where V: ValueEquality + BareValueDomain, A: ArgumentSource<Unaligned, V>,

type Emission = <A as ArgumentSource<Unaligned, V>>::Retention

type OutShape = Bare<Mask>

fn pipeline<'a>( _graphrecord: &'a GraphRecord, prepared: Self::Prepared<'a>, ) -> QueryResult<ElementPipeline<'a, Bare<V>, Self>>

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

impl<I, V, A> ElementKernel<Indexed<I, V>> for EqualToOperation<A>

where I: IndexDomain, V: ValueEquality, A: ArgumentSource<Keyed<I>, V>,

type Emission = <A as ArgumentSource<Keyed<I>, V>>::Retention

type OutShape = Indexed<I, Mask>

fn pipeline<'a>( _graphrecord: &'a GraphRecord, prepared: Self::Prepared<'a>, ) -> QueryResult<ElementPipeline<'a, Indexed<I, V>, Self>>

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

impl<A> Explain for EqualToOperation<A>

where A: Explain,

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

impl<A> Labeled for EqualToOperation<A>

where A: Explain,

const LABEL: &'static str = "EqualTo"

impl<A> Operation for EqualToOperation<A>

where Self: Prepare + OperationInputs + Explain,

type Scope = Element

impl<A> OperationInputs for EqualToOperation<A>

where A: PlanIdentity + PlanInputs + 'static,

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

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

impl<A> OptimizerHints for EqualToOperation<A>

fn commutes_with_filter(&self) -> bool

fn allows_limit_pushdown(&self) -> bool

fn is_volatile(&self) -> bool

fn empty_rule(&self) -> EmptyRule

impl<A> PlanIdentity for EqualToOperation<A>

where A: PlanIdentity,

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

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

impl<A> PlanInputs for EqualToOperation<A>

where A: PlanInputs,

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

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

impl<A: Prepare> Prepare for EqualToOperation<A>

type Prepared<'a> = <A as Prepare>::Prepared<'a> where Self: 'a

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