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QueryValue

Enum QueryValue 

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pub enum QueryValue<'a, Val: SerializeRow, M: BaseModel> {
    Owned(Val),
    Ref(&'a Val),
    PrimaryKey(M::PrimaryKey),
    PartitionKey(M::PartitionKey),
    Model(&'a M),
    ModelOwned(M),
    Empty,
}

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Owned(Val)

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Ref(&'a Val)

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PrimaryKey(M::PrimaryKey)

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PartitionKey(M::PartitionKey)

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Model(&'a M)

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ModelOwned(M)

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Empty

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impl<'a, Val: SerializeRow, M: BaseModel> Default for QueryValue<'a, Val, M>

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fn default() -> QueryValue<'a, Val, M>

Returns the “default value” for a type. Read more
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impl<Val: SerializeRow, M: BaseModel> SerializeRow for QueryValue<'_, Val, M>

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fn serialize( &self, ctx: &RowSerializationContext<'_>, writer: &mut RowWriter<'_>, ) -> Result<(), SerializationError>

Serializes the row according to the information in the given context. Read more
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fn is_empty(&self) -> bool

Returns whether this row contains any values or not. Read more

Auto Trait Implementations§

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impl<'a, Val, M> Freeze for QueryValue<'a, Val, M>
where Val: Freeze, <M as BaseModel>::PrimaryKey: Freeze, <M as BaseModel>::PartitionKey: Freeze, M: Freeze,

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impl<'a, Val, M> RefUnwindSafe for QueryValue<'a, Val, M>

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impl<'a, Val, M> Send for QueryValue<'a, Val, M>
where Val: Send + Sync, M: Send + Sync,

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impl<'a, Val, M> Sync for QueryValue<'a, Val, M>
where Val: Sync, M: Sync,

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impl<'a, Val, M> Unpin for QueryValue<'a, Val, M>
where Val: Unpin, <M as BaseModel>::PrimaryKey: Unpin, <M as BaseModel>::PartitionKey: Unpin, M: Unpin,

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impl<'a, Val, M> UnsafeUnpin for QueryValue<'a, Val, M>

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impl<'a, Val, M> UnwindSafe for QueryValue<'a, Val, M>

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> ErasedDestructor for T
where T: 'static,

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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> 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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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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