Struct BroadcastOperation 

pub struct BroadcastOperation;

Trait Implementations

impl Clone for BroadcastOperation

fn clone(&self) -> BroadcastOperation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Explain for BroadcastOperation

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

impl<M: IndexDomain, K: GroupKey, V: BareValueDomain> GroupKernel<M, K, OperandHandle<Bare<V>, Definite>> for BroadcastOperation

type Output = OperandHandle<Indexed<M, V>, Multiple<Unordered>>

fn execute<'a>( _graphrecord: &'a GraphRecord, partition: Partition<'a, M, K, OperandHandle<Bare<V>, Definite>>, _prepared: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

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

impl<M: IndexDomain, K: GroupKey, V: BareValueDomain> GroupKernel<M, K, OperandHandle<Bare<V>, Single>> for BroadcastOperation

type Output = OperandHandle<Indexed<M, V>, Multiple<Unordered>>

fn execute<'a>( _graphrecord: &'a GraphRecord, partition: Partition<'a, M, K, OperandHandle<Bare<V>, Single>>, _prepared: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

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

impl<M: IndexDomain, K: GroupKey, I: IndexDomain, V: ValueDomain> GroupKernel<M, K, OperandHandle<Indexed<I, V>, Definite>> for BroadcastOperation

type Output = OperandHandle<Indexed<M, V>, Multiple<Unordered>>

fn execute<'a>( _graphrecord: &'a GraphRecord, partition: Partition<'a, M, K, OperandHandle<Indexed<I, V>, Definite>>, _prepared: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

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

impl<M: IndexDomain, K: GroupKey, I: IndexDomain, V: ValueDomain> GroupKernel<M, K, OperandHandle<Indexed<I, V>, Single>> for BroadcastOperation

type Output = OperandHandle<Indexed<M, V>, Multiple<Unordered>>

fn execute<'a>( _graphrecord: &'a GraphRecord, partition: Partition<'a, M, K, OperandHandle<Indexed<I, V>, Single>>, _prepared: Self::Prepared<'a>, ) -> QueryResult<<Self::Output as EvaluateOperand>::ReturnValue<'a>>

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

impl Labeled for BroadcastOperation

const LABEL: &'static str = "Broadcast"

impl Operation for BroadcastOperation

where Self: Prepare + OperationInputs + Explain,

type Scope = Group

impl OperationInputs for BroadcastOperation

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

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

impl OptimizerHints for BroadcastOperation

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 BroadcastOperation

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

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

impl PlanInputs for BroadcastOperation

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

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

impl Prepare for BroadcastOperation

type Prepared<'a> = ()

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