pub enum QueryOrderBy {
Ascending,
Descending,
}
Expand description
Creates a SQL ASC
or DESC
expressions.
Used to specify ordering in select/view methods.
Variants§
Ascending
Creates a SQL ASC
expression, representing this expression in ascending order.
Descending
Creates a SQL DESC
expression, representing this expression in descending order.
Trait Implementations§
Source§impl Clone for QueryOrderBy
impl Clone for QueryOrderBy
Source§fn clone(&self) -> QueryOrderBy
fn clone(&self) -> QueryOrderBy
Returns a copy of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Debug for QueryOrderBy
impl Debug for QueryOrderBy
Source§impl<'de> Deserialize<'de> for QueryOrderBy
impl<'de> Deserialize<'de> for QueryOrderBy
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl Serialize for QueryOrderBy
impl Serialize for QueryOrderBy
impl Copy for QueryOrderBy
Auto Trait Implementations§
impl Freeze for QueryOrderBy
impl RefUnwindSafe for QueryOrderBy
impl Send for QueryOrderBy
impl Sync for QueryOrderBy
impl Unpin for QueryOrderBy
impl UnwindSafe for QueryOrderBy
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoSql for T
impl<T> IntoSql for T
Source§fn into_sql<T>(self) -> Self::Expression
fn into_sql<T>(self) -> Self::Expression
Convert
self
to an expression for Diesel’s query builder. Read moreSource§fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
Convert
&self
to an expression for Diesel’s query builder. Read moreSource§impl<T, Conn> RunQueryDsl<Conn> for T
impl<T, Conn> RunQueryDsl<Conn> for T
Source§fn execute<'conn, 'query>(
self,
conn: &'conn mut Conn,
) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>
fn execute<'conn, 'query>( self, conn: &'conn mut Conn, ) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>
Executes the given command, returning the number of rows affected. Read more
Source§fn load<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
fn load<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
Source§fn load_stream<'conn, 'query, U>(
self,
conn: &'conn mut Conn,
) -> Self::LoadFuture<'conn>where
Conn: AsyncConnection,
U: 'conn,
Self: LoadQuery<'query, Conn, U> + 'query,
fn load_stream<'conn, 'query, U>(
self,
conn: &'conn mut Conn,
) -> Self::LoadFuture<'conn>where
Conn: AsyncConnection,
U: 'conn,
Self: LoadQuery<'query, Conn, U> + 'query,
Source§fn get_result<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>>
fn get_result<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>>>)) -> Result<U, Error>>>
Runs the command, and returns the affected row. Read more
Source§fn get_results<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
fn get_results<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U>>>
Runs the command, returning an
Vec
with the affected rows. Read moreSource§fn first<'query, 'conn, U>(
self,
conn: &'conn mut Conn,
) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: <Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>) -> Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>>
fn first<'query, 'conn, U>( self, conn: &'conn mut Conn, ) -> AndThen<<Self::Output as LoadQuery<'query, Conn, U>>::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>, fn(_: <Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>) -> Map<StreamFuture<Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>>>)) -> Result<U, Error>>>
Attempts to load a single record. Read more