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Query

vitrail_pg

Struct Query 

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pub struct Query<S, T, V = ()> { /* private fields */ }

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impl<S, T> Query<S, T>
where T: QueryModel<Variables = ()>,

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pub fn new() -> Query<S, T>

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pub fn with_selection(selection: QuerySelection) -> Query<S, T>

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impl<S, T> Query<S, T>
where T: QueryModel,

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pub fn new_with_variables( variables: <T as QueryModel>::Variables, ) -> Query<S, T, <T as QueryModel>::Variables>

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pub fn with_selection_and_variables( selection: QuerySelection, variables: <T as QueryModel>::Variables, ) -> Query<S, T, <T as QueryModel>::Variables>

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pub fn with_variables( self, variables: <T as QueryModel>::Variables, ) -> Query<S, T, <T as QueryModel>::Variables>

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impl<S, T, V> Query<S, T, V>
where S: SchemaAccess, T: QueryModel<Schema = S, Variables = V>, V: QueryVariableSet,

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pub fn to_sql(&self) -> Result<String, Error>

Trait Implementations§

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impl<S, T, V> Clone for Query<S, T, V>
where S: Clone, T: Clone, V: Clone,

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fn clone(&self) -> Query<S, T, V>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<S, T, V> Debug for Query<S, T, V>
where S: Debug, T: Debug, V: Debug,

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

Formats the value using the given formatter. Read more
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impl<S, T> Default for Query<S, T>
where T: QueryModel<Variables = ()>,

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fn default() -> Query<S, T>

Returns the “default value” for a type. Read more
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impl<S, T, V> QuerySpec for Query<S, T, V>
where S: SchemaAccess, T: QueryModel<Schema = S, Variables = V> + Sync, V: QueryVariableSet + Sync,

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type Output = T

Auto Trait Implementations§

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impl<S, T, V> Freeze for Query<S, T, V>

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impl<S, T, V> RefUnwindSafe for Query<S, T, V>
where S: RefUnwindSafe, T: RefUnwindSafe, V: RefUnwindSafe,

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impl<S, T, V> Send for Query<S, T, V>
where S: Send, T: Send, V: Send,

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impl<S, T, V> Sync for Query<S, T, V>
where S: Sync, T: Sync, V: Sync,

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impl<S, T, V> Unpin for Query<S, T, V>
where S: Unpin, T: Unpin, V: Unpin,

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impl<S, T, V> UnsafeUnpin for Query<S, T, V>

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impl<S, T, V> UnwindSafe for Query<S, T, V>
where S: UnwindSafe, T: UnwindSafe, V: UnwindSafe,

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> 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> Same for T

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type Output = T

Should always be Self
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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