RelationBound

Enum RelationBound 

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pub enum RelationBound<'a, T: NodeEntity> {
    Create(&'a T),
    Match(&'a T::Id),
}
Expand description

When creating a relationship, the query has to MATCH, CREATE, or MERGE the start and end nodes.

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Create(&'a T)

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Match(&'a T::Id)

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impl<'a, T: NodeEntity> RelationBound<'a, T>

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pub fn to_query_clause(&self, prefix: &str) -> String

Returns a CREATE (node:…) or MATCH (node:…) clause for this variant.

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pub fn add_params(&self, q: Query, prefix: &str) -> Query

Auto Trait Implementations§

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impl<'a, T> Freeze for RelationBound<'a, T>

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impl<'a, T> RefUnwindSafe for RelationBound<'a, T>

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impl<'a, T> Send for RelationBound<'a, T>
where T: Sync, <T as NodeEntity>::Id: Sync,

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impl<'a, T> Sync for RelationBound<'a, T>
where T: Sync, <T as NodeEntity>::Id: Sync,

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impl<'a, T> Unpin for RelationBound<'a, T>

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impl<'a, T> UnwindSafe for RelationBound<'a, T>

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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, 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.