Enum Query

pub enum Query {
Show 15 variants    AllVertex,
    RangeVertex(RangeVertexQuery),
    SpecificVertex(SpecificVertexQuery),
    VertexWithPropertyPresence(VertexWithPropertyPresenceQuery),
    VertexWithPropertyValue(VertexWithPropertyValueQuery),
    AllEdge,
    SpecificEdge(SpecificEdgeQuery),
    EdgeWithPropertyPresence(EdgeWithPropertyPresenceQuery),
    EdgeWithPropertyValue(EdgeWithPropertyValueQuery),
    Pipe(PipeQuery),
    PipeProperty(PipePropertyQuery),
    PipeWithPropertyPresence(PipeWithPropertyPresenceQuery),
    PipeWithPropertyValue(PipeWithPropertyValueQuery),
    Include(IncludeQuery),
    Count(CountQuery),
}

Expand description

A query to get a set of values from the database.

Variants§

AllVertex

Gets all vertices.

RangeVertex(RangeVertexQuery)

Gets a range of vertices.

SpecificVertex(SpecificVertexQuery)

Gets a specific set of vertices.

VertexWithPropertyPresence(VertexWithPropertyPresenceQuery)

Gets vertices with or without a given property.

VertexWithPropertyValue(VertexWithPropertyValueQuery)

Gets vertices with a property equal to a given value.

AllEdge

Gets all edges.

SpecificEdge(SpecificEdgeQuery)

Gets a specific set of edges.

EdgeWithPropertyPresence(EdgeWithPropertyPresenceQuery)

Gets edges with or without a given property.

EdgeWithPropertyValue(EdgeWithPropertyValueQuery)

Gets edges with a property equal to a given value.

Pipe(PipeQuery)

Gets the vertices associated with edges, or edges associated with vertices.

PipeProperty(PipePropertyQuery)

Returns the properties associated with a vertex or edge.

PipeWithPropertyPresence(PipeWithPropertyPresenceQuery)

Gets vertices or edges with or without a property.

PipeWithPropertyValue(PipeWithPropertyValueQuery)

Gets vertices or edges with a property equal to a given value.

Include(IncludeQuery)

Includes the results of a query in output.

Count(CountQuery)

Counts the number of items returned from a query.

Trait Implementations§

impl Clone for Query

fn clone(&self) -> Query

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Query

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

Formats the value using the given formatter. Read more

impl Into<Query> for AllEdgeQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for AllVertexQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for CountQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for EdgeWithPropertyPresenceQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for EdgeWithPropertyValueQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for IncludeQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for PipePropertyQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for PipeQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for PipeWithPropertyPresenceQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for PipeWithPropertyValueQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for RangeVertexQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for SpecificEdgeQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for SpecificVertexQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for VertexWithPropertyPresenceQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl Into<Query> for VertexWithPropertyValueQuery

fn into(self) -> Query

Converts this type into the (usually inferred) input type.

impl PartialEq for Query

fn eq(&self, other: &Query) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Query

impl StructuralPartialEq for Query

Auto Trait Implementations§

impl Freeze for Query

impl RefUnwindSafe for Query

impl Send for Query

impl Sync for Query

impl Unpin for Query

impl UnwindSafe for Query

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.