Constraint

typedb_driver::analyze::conjunction

Enum Constraint 

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pub enum Constraint {

Show 18 variants    Isa {
        instance: ConstraintVertex,
        type: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Has {
        owner: ConstraintVertex,
        attribute: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Links {
        relation: ConstraintVertex,
        player: ConstraintVertex,
        role: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Sub {
        subtype: ConstraintVertex,
        supertype: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Owns {
        owner: ConstraintVertex,
        attribute: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Relates {
        relation: ConstraintVertex,
        role: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    Plays {
        player: ConstraintVertex,
        role: ConstraintVertex,
        exactness: ConstraintExactness,
    },
    FunctionCall {
        name: String,
        assigned: Vec<ConstraintVertex>,
        arguments: Vec<ConstraintVertex>,
    },
    Expression {
        text: String,
        assigned: ConstraintVertex,
        arguments: Vec<ConstraintVertex>,
    },
    Is {
        lhs: ConstraintVertex,
        rhs: ConstraintVertex,
    },
    Iid {
        concept: ConstraintVertex,
        iid: IID,
    },
    Comparison {
        lhs: ConstraintVertex,
        rhs: ConstraintVertex,
        comparator: Comparator,
    },
    Kind {
        kind: Kind,
        type: ConstraintVertex,
    },
    Label {
        type: ConstraintVertex,
        label: String,
    },
    Value {
        attribute_type: ConstraintVertex,
        value_type: ValueType,
    },
    Or {
        branches: Vec<ConjunctionID>,
    },
    Not {
        conjunction: ConjunctionID,
    },
    Try {
        conjunction: ConjunctionID,
    },

}
Expand description

A representation of a TypeQL constraint.

Variants§

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Isa

isa(!)

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Has

has

links (: )

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Sub

sub(!)

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Owns

owns

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Relates

relates

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Plays

plays

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FunctionCall

let = name() e.g. let $x, $y = my_function($a, $b);

Fields

§name: String
§assigned: Vec<ConstraintVertex>
§arguments: Vec<ConstraintVertex>
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Expression

let = e.g. let $x = $y + 5; Here, arguments will be [$y]

Fields

§text: String
§assigned: ConstraintVertex
§arguments: Vec<ConstraintVertex>
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Is

is $x is $y

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Iid

iid e.g. $y iid 0x1f0005000000000000012f

Fields

§concept: ConstraintVertex
§iid: IID
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Comparison

e.g. $x < 5

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Kind

e.g. entity person

Fields

§kind: Kind
§type: ConstraintVertex
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Label

label

Fields

§type: ConstraintVertex
§label: String
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Value

<attribute_type> value <value_type> e.g. $t value string

Fields

§attribute_type: ConstraintVertex
§value_type: ValueType
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Or

{ <branches[0]> } or { <branches[1]> } [or …]

Fields

§branches: Vec<ConjunctionID>

Index into Pipeline.conjunctions

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Not

not { }

Fields

§conjunction: ConjunctionID

Index into Pipeline.conjunctions

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Try

try { }

Fields

§conjunction: ConjunctionID

Index into Pipeline.conjunctions

Trait Implementations§

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impl Clone for Constraint

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fn clone(&self) -> Constraint

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 Constraint

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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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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