pub struct level;
Trait Implementations§
source§impl<Rhs> Add<Rhs> for levelwhere
Rhs: AsExpression<<<level as Expression>::SqlType as Add>::Rhs>,
impl<Rhs> Add<Rhs> for levelwhere Rhs: AsExpression<<<level as Expression>::SqlType as Add>::Rhs>,
§type Output = Add<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Add>::Rhs>>::Expression>
type Output = Add<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Add>::Rhs>>::Expression>
The resulting type after applying the
+
operator.source§impl<Rhs> Div<Rhs> for levelwhere
Rhs: AsExpression<<<level as Expression>::SqlType as Div>::Rhs>,
impl<Rhs> Div<Rhs> for levelwhere Rhs: AsExpression<<<level as Expression>::SqlType as Div>::Rhs>,
§type Output = Div<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Div>::Rhs>>::Expression>
type Output = Div<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Div>::Rhs>>::Expression>
The resulting type after applying the
/
operator.source§impl Expression for level
impl Expression for level
source§impl<Rhs> Mul<Rhs> for levelwhere
Rhs: AsExpression<<<level as Expression>::SqlType as Mul>::Rhs>,
impl<Rhs> Mul<Rhs> for levelwhere Rhs: AsExpression<<<level as Expression>::SqlType as Mul>::Rhs>,
§type Output = Mul<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Mul>::Rhs>>::Expression>
type Output = Mul<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Mul>::Rhs>>::Expression>
The resulting type after applying the
*
operator.source§impl<DB> QueryFragment<DB, NotSpecialized> for levelwhere
DB: Backend,
StaticQueryFragmentInstance<table>: QueryFragment<DB>,
impl<DB> QueryFragment<DB, NotSpecialized> for levelwhere DB: Backend, StaticQueryFragmentInstance<table>: QueryFragment<DB>,
source§impl QueryId for level
impl QueryId for level
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<Rhs> Sub<Rhs> for levelwhere
Rhs: AsExpression<<<level as Expression>::SqlType as Sub>::Rhs>,
impl<Rhs> Sub<Rhs> for levelwhere Rhs: AsExpression<<<level as Expression>::SqlType as Sub>::Rhs>,
§type Output = Sub<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Sub>::Rhs>>::Expression>
type Output = Sub<level, <Rhs as AsExpression<<<level as Expression>::SqlType as Sub>::Rhs>>::Expression>
The resulting type after applying the
-
operator.source§impl ValidGrouping<()> for level
impl ValidGrouping<()> for level
§type IsAggregate = No
type IsAggregate = No
Is this expression aggregate? Read more
source§impl<__GB> ValidGrouping<__GB> for levelwhere
__GB: IsContainedInGroupBy<level, Output = Yes>,
impl<__GB> ValidGrouping<__GB> for levelwhere __GB: IsContainedInGroupBy<level, Output = Yes>,
§type IsAggregate = Yes
type IsAggregate = Yes
Is this expression aggregate? Read more
impl<QS> AppearsOnTable<QS> for levelwhere QS: AppearsInFromClause<table, Count = Once>,
impl Copy for level
impl SelectableExpression<table> for level
Auto Trait Implementations§
impl RefUnwindSafe for level
impl Send for level
impl Sync for level
impl Unpin for level
impl UnwindSafe for level
Blanket Implementations§
source§impl<T, ST> AsExpression<ST> for Twhere
T: Expression<SqlType = ST>,
ST: SqlType + TypedExpressionType,
impl<T, ST> AsExpression<ST> for Twhere T: Expression<SqlType = ST>, ST: SqlType + TypedExpressionType,
§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<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB, NotSpecialized> + QueryId,
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for Twhere Conn: Connection<Backend = DB>, DB: Backend, T: QueryFragment<DB, NotSpecialized> + QueryId,
source§impl<T> ExpressionMethods for Twhere
T: Expression,
<T as Expression>::SqlType: SingleValue,
impl<T> ExpressionMethods for Twhere T: Expression, <T as Expression>::SqlType: SingleValue,
source§fn eq<T>(
self,
other: T
) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn eq<T>( self, other: T ) -> Grouped<Eq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a SQL
=
expression. Read moresource§fn ne<T>(
self,
other: T
) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn ne<T>( self, other: T ) -> Grouped<NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a SQL
!=
expression. Read moresource§fn eq_any<T>(
self,
values: T
) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
fn eq_any<T>( self, values: T ) -> Grouped<In<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where Self::SqlType: SqlType, T: AsInExpression<Self::SqlType>,
Creates a SQL
IN
statement. Read moresource§fn ne_all<T>(
self,
values: T
) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where
Self::SqlType: SqlType,
T: AsInExpression<Self::SqlType>,
fn ne_all<T>( self, values: T ) -> Grouped<NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression>>where Self::SqlType: SqlType, T: AsInExpression<Self::SqlType>,
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>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn gt<T>( self, other: T ) -> Grouped<Gt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a SQL
>
expression. Read moresource§fn ge<T>(
self,
other: T
) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn ge<T>( self, other: T ) -> Grouped<GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a SQL
>=
expression. Read moresource§fn lt<T>(
self,
other: T
) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn lt<T>( self, other: T ) -> Grouped<Lt<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a SQL
<
expression. Read moresource§fn le<T>(
self,
other: T
) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn le<T>( self, other: T ) -> Grouped<LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
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>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
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>>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>, U: AsExpression<Self::SqlType>,
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>>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
U: AsExpression<Self::SqlType>,
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>>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>, U: AsExpression<Self::SqlType>,
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> IntoSql for T
impl<T> IntoSql for T
source§fn into_sql<T>(self) -> Self::Expressionwhere
Self: AsExpression<T> + Sized,
T: SqlType + TypedExpressionType,
fn into_sql<T>(self) -> Self::Expressionwhere Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,
Convert
self
to an expression for Diesel’s query builder. Read moresource§fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expressionwhere
&'a Self: AsExpression<T>,
T: SqlType + TypedExpressionType,
fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expressionwhere &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,
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> 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>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn is<T>( self, other: T ) -> Grouped<Is<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a Sqlite
IS
expression. Read moresource§fn is_not<T>(
self,
other: T
) -> Grouped<IsNot<Self, <T as AsExpression<Self::SqlType>>::Expression>>where
Self::SqlType: SqlType,
T: AsExpression<Self::SqlType>,
fn is_not<T>( self, other: T ) -> Grouped<IsNot<Self, <T as AsExpression<Self::SqlType>>::Expression>>where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,
Creates a Sqlite
IS NOT
expression. Read more