pub struct symbol;
Trait Implementations§
source§impl Expression for symbol
impl Expression for symbol
source§impl<DB> QueryFragment<DB> for symbol
impl<DB> QueryFragment<DB> for symbol
source§impl QueryId for symbol
impl QueryId for symbol
source§const HAS_STATIC_QUERY_ID: bool = true
const HAS_STATIC_QUERY_ID: bool = true
Can the SQL generated by
Self
be uniquely identified by its type? Read moresource§impl ValidGrouping<()> for symbol
impl ValidGrouping<()> for symbol
source§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
source§impl<__GB> ValidGrouping<__GB> for symbolwhere
__GB: IsContainedInGroupBy<symbol, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for symbolwhere
__GB: IsContainedInGroupBy<symbol, Output = Yes>,
source§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for symbol
impl Copy for symbol
impl SelectableExpression<table> for symbol
Auto Trait Implementations§
impl Freeze for symbol
impl RefUnwindSafe for symbol
impl Send for symbol
impl Sync for symbol
impl Unpin for symbol
impl UnwindSafe for symbol
Blanket Implementations§
source§impl<T, ST> AsExpression<ST> for T
impl<T, ST> AsExpression<ST> for T
source§type Expression = T
type Expression = T
The expression being returned
source§fn as_expression(self) -> T
fn as_expression(self) -> T
Perform the conversion
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§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T
source§impl<T> ExpressionMethods for T
impl<T> ExpressionMethods for T
source§fn eq<T>(
self,
other: T,
) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn eq<T>( self, other: T, ) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
=
expression. Read moresource§fn ne<T>(
self,
other: T,
) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn ne<T>( self, other: T, ) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
!=
expression. Read moresource§fn eq_any<T>(
self,
values: T,
) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>
fn eq_any<T>( self, values: T, ) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>
Creates a SQL
IN
statement. Read moresource§fn ne_all<T>(
self,
values: T,
) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>
fn ne_all<T>( self, values: T, ) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>
Creates a SQL
NOT IN
statement. Read moresource§fn is_not_null(self) -> Grouped<IsNotNull<Self>>
fn is_not_null(self) -> Grouped<IsNotNull<Self>>
Creates a SQL
IS NOT NULL
expression. Read moresource§fn gt<T>(
self,
other: T,
) -> Grouped<Gt<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn gt<T>( self, other: T, ) -> Grouped<Gt<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
>
expression. Read moresource§fn ge<T>(
self,
other: T,
) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn ge<T>( self, other: T, ) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
>=
expression. Read moresource§fn lt<T>(
self,
other: T,
) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn lt<T>( self, other: T, ) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
<
expression. Read moresource§fn le<T>(
self,
other: T,
) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn le<T>( self, other: T, ) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a SQL
<=
expression. Read moresource§fn between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<Between<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>
fn between<T, U>( self, lower: T, upper: U, ) -> Grouped<Between<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>
Creates a SQL
BETWEEN
expression using the given lower and upper
bounds. Read moresource§fn not_between<T, U>(
self,
lower: T,
upper: U,
) -> Grouped<NotBetween<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>
fn not_between<T, U>( self, lower: T, upper: U, ) -> Grouped<NotBetween<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>>>
Creates a SQL
NOT BETWEEN
expression using the given lower and upper
bounds. Read moresource§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> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moresource§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
source§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T
in a tonic::Request
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> NullableExpressionMethods for Twhere
T: Expression,
impl<T> NullableExpressionMethods for Twhere
T: Expression,
source§fn nullable(self) -> Nullable<Self>
fn nullable(self) -> Nullable<Self>
Converts this potentially non-null expression into one which is treated
as nullable. This method has no impact on the generated SQL, and is only
used to allow certain comparisons that would otherwise fail to compile. Read more
source§fn assume_not_null(self) -> AssumeNotNull<Self>
fn assume_not_null(self) -> AssumeNotNull<Self>
Converts this potentially nullable expression into one which will be assumed
to be not-null. This method has no impact on the generated SQL, however it will
enable you to attempt deserialization of the returned value in a non-
Option
. Read moresource§impl<T> Pointable for T
impl<T> Pointable for T
source§impl<T> SqliteExpressionMethods for Twhere
T: Expression,
impl<T> SqliteExpressionMethods for Twhere
T: Expression,
source§fn is<T>(
self,
other: T,
) -> Grouped<Is<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn is<T>( self, other: T, ) -> Grouped<Is<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a Sqlite
IS
expression. Read moresource§fn is_not<T>(
self,
other: T,
) -> Grouped<IsNot<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn is_not<T>( self, other: T, ) -> Grouped<IsNot<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Creates a Sqlite
IS NOT
expression. Read moresource§impl<T> TextExpressionMethods for T
impl<T> TextExpressionMethods for T
source§fn concat<T>(
self,
other: T,
) -> Grouped<Concat<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn concat<T>( self, other: T, ) -> Grouped<Concat<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Concatenates two strings using the
||
operator. Read moresource§fn like<T>(
self,
other: T,
) -> Grouped<Like<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn like<T>( self, other: T, ) -> Grouped<Like<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Returns a SQL
LIKE
expression Read moresource§fn not_like<T>(
self,
other: T,
) -> Grouped<NotLike<Self, <T as AsExpression<Self::SqlType>>::Expression>>
fn not_like<T>( self, other: T, ) -> Grouped<NotLike<Self, <T as AsExpression<Self::SqlType>>::Expression>>
Returns a SQL
NOT LIKE
expression Read more