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LogicalOperator

Enum LogicalOperator 

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pub enum LogicalOperator {
Show 27 variants NodeScan(NodeScanOp), EdgeScan(EdgeScanOp), Expand(ExpandOp), Filter(FilterOp), Project(ProjectOp), Join(JoinOp), Aggregate(AggregateOp), Limit(LimitOp), Skip(SkipOp), Sort(SortOp), Distinct(DistinctOp), CreateNode(CreateNodeOp), CreateEdge(CreateEdgeOp), DeleteNode(DeleteNodeOp), DeleteEdge(DeleteEdgeOp), SetProperty(SetPropertyOp), AddLabel(AddLabelOp), RemoveLabel(RemoveLabelOp), Return(ReturnOp), Empty, TripleScan(TripleScanOp), Union(UnionOp), LeftJoin(LeftJoinOp), AntiJoin(AntiJoinOp), Bind(BindOp), Unwind(UnwindOp), Merge(MergeOp),
}
Expand description

A logical operator in the query plan.

Variants§

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NodeScan(NodeScanOp)

Scan all nodes, optionally filtered by label.

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EdgeScan(EdgeScanOp)

Scan all edges, optionally filtered by type.

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Expand(ExpandOp)

Expand from nodes to neighbors via edges.

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Filter(FilterOp)

Filter rows based on a predicate.

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Project(ProjectOp)

Project specific columns.

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Join(JoinOp)

Join two inputs.

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Aggregate(AggregateOp)

Aggregate with grouping.

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Limit(LimitOp)

Limit the number of results.

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Skip(SkipOp)

Skip a number of results.

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Sort(SortOp)

Sort results.

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Distinct(DistinctOp)

Remove duplicate results.

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CreateNode(CreateNodeOp)

Create a new node.

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CreateEdge(CreateEdgeOp)

Create a new edge.

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DeleteNode(DeleteNodeOp)

Delete a node.

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DeleteEdge(DeleteEdgeOp)

Delete an edge.

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SetProperty(SetPropertyOp)

Set properties on a node or edge.

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AddLabel(AddLabelOp)

Add labels to a node.

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RemoveLabel(RemoveLabelOp)

Remove labels from a node.

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Return(ReturnOp)

Return results (terminal operator).

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Empty

Empty result set.

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TripleScan(TripleScanOp)

Scan RDF triples matching a pattern.

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Union(UnionOp)

Union of multiple result sets.

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LeftJoin(LeftJoinOp)

Left outer join for OPTIONAL patterns.

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AntiJoin(AntiJoinOp)

Anti-join for MINUS patterns.

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Bind(BindOp)

Bind a variable to an expression.

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Unwind(UnwindOp)

Unwind a list into individual rows.

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Merge(MergeOp)

Merge a pattern (match or create).

Trait Implementations§

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impl Clone for LogicalOperator

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fn clone(&self) -> LogicalOperator

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LogicalOperator

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more