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Separated

Struct Separated 

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pub struct Separated<'qb, 'args, DB, Sep>
where 'args: 'qb, DB: Database,
{ /* private fields */ }
Expand description

A wrapper around QueryBuilder for creating comma(or other token)-separated lists.

See QueryBuilder::separated() for details.

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impl<'qb, 'args, DB, Sep> Separated<'qb, 'args, DB, Sep>
where 'args: 'qb, DB: Database, Sep: Display,

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pub fn push(&mut self, sql: impl Display) -> &mut Separated<'qb, 'args, DB, Sep>

Push the separator if applicable, and then the given SQL fragment.

See QueryBuilder::push() for details.

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pub fn push_unseparated( &mut self, sql: impl Display, ) -> &mut Separated<'qb, 'args, DB, Sep>

Push a SQL fragment without a separator.

Simply calls QueryBuilder::push() directly.

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pub fn push_bind<T>(&mut self, value: T) -> &mut Separated<'qb, 'args, DB, Sep>
where T: 'args + Encode<'args, DB> + Send + Type<DB>,

Push the separator if applicable, then append a bind argument.

See QueryBuilder::push_bind() for details.

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pub fn push_bind_unseparated<T>( &mut self, value: T, ) -> &mut Separated<'qb, 'args, DB, Sep>
where T: 'args + Encode<'args, DB> + Send + Type<DB>,

Push a bind argument placeholder (? or $N for Postgres) and bind a value to it without a separator.

Simply calls QueryBuilder::push_bind() directly.

Auto Trait Implementationsยง

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impl<'qb, 'args, DB, Sep> !UnwindSafe for Separated<'qb, 'args, DB, Sep>

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impl<'qb, 'args, DB, Sep> Freeze for Separated<'qb, 'args, DB, Sep>
where Sep: Freeze,

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impl<'qb, 'args, DB, Sep> RefUnwindSafe for Separated<'qb, 'args, DB, Sep>
where Sep: RefUnwindSafe, <DB as HasArguments<'args>>::Arguments: RefUnwindSafe,

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impl<'qb, 'args, DB, Sep> Send for Separated<'qb, 'args, DB, Sep>
where Sep: Send,

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impl<'qb, 'args, DB, Sep> Sync for Separated<'qb, 'args, DB, Sep>
where Sep: Sync, <DB as HasArguments<'args>>::Arguments: Sync,

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impl<'qb, 'args, DB, Sep> Unpin for Separated<'qb, 'args, DB, Sep>
where Sep: Unpin,

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impl<'qb, 'args, DB, Sep> UnsafeUnpin for Separated<'qb, 'args, DB, Sep>
where Sep: UnsafeUnpin,

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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> 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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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> โ“˜

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> โ“˜
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> Same for T

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type Output = T

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type Error = Infallible

The type returned in the event of a conversion error.
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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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where S: Into<Dispatch>,

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more