pub struct algorithm;

Trait Implementations§

source§

impl Clone for algorithm

source§

fn clone(&self) -> algorithm

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl Column for algorithm

§

type Table = table

The table which this column belongs to
source§

const NAME: &'static str = "algorithm"

The name of this column
source§

impl Debug for algorithm

source§

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

Formats the value using the given formatter. Read more
source§

impl Default for algorithm

source§

fn default() -> algorithm

Returns the “default value” for a type. Read more
source§

impl Expression for algorithm

§

type SqlType = Text

The type that this expression represents in SQL
source§

impl<DB> QueryFragment<DB> for algorithm
where DB: Backend, StaticQueryFragmentInstance<table>: QueryFragment<DB>,

source§

fn walk_ast<'b>( &'b self, __diesel_internal_out: AstPass<'_, 'b, DB> ) -> QueryResult<()>

Walk over this QueryFragment for all passes. Read more
source§

impl QueryId for algorithm

§

type QueryId = algorithm

A type which uniquely represents Self in a SQL query. Read more
source§

const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type? Read more
§

fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
source§

impl ValidGrouping<()> for algorithm

§

type IsAggregate = No

Is this expression aggregate? Read more
source§

impl<__GB> ValidGrouping<__GB> for algorithm
where __GB: IsContainedInGroupBy<algorithm, Output = Yes>,

§

type IsAggregate = Yes

Is this expression aggregate? Read more
source§

impl<QS> AppearsOnTable<QS> for algorithm
where QS: AppearsInFromClause<table, Count = Once>,

source§

impl Copy for algorithm

source§

impl SelectableExpression<table> for algorithm

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
§

impl<T, ST> AsExpression<ST> for T
where T: Expression<SqlType = ST>, ST: SqlType + TypedExpressionType,

§

type Expression = T

The expression being returned
§

fn as_expression(self) -> T

Perform the conversion
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
§

impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T
where Conn: Connection<Backend = DB>, DB: Backend, T: QueryFragment<DB> + QueryId,

§

fn execute(query: T, conn: &mut Conn) -> Result<usize, Error>

Execute this command
§

impl<T> ExpressionMethods for T
where T: Expression, <T as Expression>::SqlType: SingleValue,

§

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 more
§

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 more
§

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 more
§

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 more
§

fn is_null(self) -> Grouped<IsNull<Self>>

Creates a SQL IS NULL expression. Read more
§

fn is_not_null(self) -> Grouped<IsNotNull<Self>>

Creates a SQL IS NOT NULL expression. Read more
§

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 more
§

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 more
§

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 more
§

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 more
§

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 more
§

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 more
§

fn desc(self) -> Desc<Self>

Creates a SQL DESC expression, representing this expression in descending order. Read more
§

fn asc(self) -> Asc<Self>

Creates a SQL ASC expression, representing this expression in ascending order. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

§

impl<T> Instrument for T

§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

§

impl<T> IntoSql for T

§

fn into_sql<T>(self) -> Self::Expression
where Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more
§

fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
§

impl<T> NoneValue for T
where T: Default,

§

type NoneType = T

§

fn null_value() -> T

The none-equivalent value.
§

impl<T> NullableExpressionMethods for T
where T: Expression,

§

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
§

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 more
source§

impl<T> Same for T

§

type Output = T

Should always be Self
§

impl<T> SqliteExpressionMethods for T
where T: Expression,

§

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 more
§

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
§

impl<T> TextExpressionMethods for T
where T: Expression, <T as Expression>::SqlType: TextOrNullableText,

§

fn concat<T>( self, other: T ) -> Grouped<Concat<Self, <T as AsExpression<Self::SqlType>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,

Concatenates two strings using the || operator. Read more
§

fn like<T>( self, other: T ) -> Grouped<Like<Self, <T as AsExpression<Self::SqlType>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,

Returns a SQL LIKE expression Read more
§

fn not_like<T>( self, other: T ) -> Grouped<NotLike<Self, <T as AsExpression<Self::SqlType>>::Expression>>
where Self::SqlType: SqlType, T: AsExpression<Self::SqlType>,

Returns a SQL NOT LIKE expression Read more
source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

§

fn vzip(self) -> V

§

impl<T> WithSubscriber for T

§

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
§

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> NonAggregate for T
where T: ValidGrouping<()>, <T as ValidGrouping<()>>::IsAggregate: MixedAggregates<No, Output = No>,