[−]Struct webdev_lib::chemicals::schema::chemical::columns::purpose

pub struct purpose;

Trait Implementations

impl Copy for purpose

impl Default for purpose

impl Clone for purpose

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for purpose

impl Expression for purpose

type SqlType = Varchar

The type that this expression represents in SQL

impl SelectableExpression<table> for purpose

impl<Left, Right> SelectableExpression<Join<Left, Right, LeftOuter>> for purpose where
    purpose: AppearsOnTable<Join<Left, Right, LeftOuter>>,
    Left: AppearsInFromClause<table, Count = Once>,
    Right: AppearsInFromClause<table, Count = Never>, 

impl<Left, Right> SelectableExpression<Join<Left, Right, Inner>> for purpose where
    purpose: AppearsOnTable<Join<Left, Right, Inner>>,
    Join<Left, Right, Inner>: AppearsInFromClause<table, Count = Once>, 

impl<Join, On> SelectableExpression<JoinOn<Join, On>> for purpose where
    purpose: SelectableExpression<Join> + AppearsOnTable<JoinOn<Join, On>>, 

impl<From> SelectableExpression<SelectStatement<From, DefaultSelectClause, NoDistinctClause, NoWhereClause, NoOrderClause, NoLimitClause, NoOffsetClause, NoGroupByClause, NoLockingClause>> for purpose where
    purpose: SelectableExpression<From> + AppearsOnTable<SelectStatement<From>>, 

impl<T> EqAll<T> for purpose where
    T: AsExpression<Varchar>,
    Eq<purpose, T>: Expression<SqlType = Bool>, 

type Output = Eq<Self, T>

impl Column for purpose

type Table = table

The table which this column belongs to

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

impl<DB> QueryFragment<DB> for purpose where
    DB: Backend,
    <table as QuerySource>::FromClause: QueryFragment<DB>, 

fn to_sql(&self, out: &mut <DB as Backend>::QueryBuilder) -> Result<(), Error>[src]

Converts this QueryFragment to its SQL representation. Read more

fn collect_binds(
    &self,
    out: &mut <DB as Backend>::BindCollector,
    metadata_lookup: &<DB as TypeMetadata>::MetadataLookup
) -> Result<(), Error>[src]

Serializes all bind parameters in this query. Read more

fn is_safe_to_cache_prepared(&self) -> Result<bool, Error>[src]

Is this query safe to store in the prepared statement cache? Read more

impl QueryId for purpose

type QueryId = purpose

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

fn query_id() -> Option<TypeId>[src]

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

impl NonAggregate for purpose

Auto Trait Implementations

impl Unpin for purpose

impl Sync for purpose

impl Send for purpose

impl UnwindSafe for purpose

impl RefUnwindSafe for purpose

Blanket Implementations

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

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

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

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

Concatenates two strings using the || operator. Read more

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

Returns a SQL LIKE expression Read more

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

Returns a SQL NOT LIKE expression Read more

impl<QS, T, DB> BoxableExpression<QS, DB> for T where
    DB: Backend,
    T: Expression + SelectableExpression<QS> + NonAggregate + QueryFragment<DB>, [src]

impl<T> NullableExpressionMethods for T where
    T: Expression, [src]

fn nullable(self) -> Nullable<Self>[src]

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

impl<T> IntoSql for T[src]

fn into_sql<T>(self) -> Self::Expression where
    Self: AsExpression<T>, [src]

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>, [src]

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

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

fn eq<T>(
    self,
    other: T
) -> Eq<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL = expression. Read more

fn ne<T>(
    self,
    other: T
) -> NotEq<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL != expression. Read more

fn eq_any<T>(
    self,
    values: T
) -> In<Self, <T as AsInExpression<Self::SqlType>>::InExpression> where
    T: AsInExpression<Self::SqlType>, [src]

Creates a SQL IN statement. Read more

fn ne_any<T>(
    self,
    values: T
) -> NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression> where
    T: AsInExpression<Self::SqlType>, [src]

Deprecated since 1.2.0:

use ne_all instead

Deprecated alias for ne_all Read more

fn ne_all<T>(
    self,
    values: T
) -> NotIn<Self, <T as AsInExpression<Self::SqlType>>::InExpression> where
    T: AsInExpression<Self::SqlType>, [src]

Creates a SQL NOT IN statement. Read more

fn is_null(self) -> IsNull<Self>[src]

Creates a SQL IS NULL expression. Read more

fn is_not_null(self) -> IsNotNull<Self>[src]

Creates a SQL IS NOT NULL expression. Read more

fn gt<T>(
    self,
    other: T
) -> Gt<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL > expression. Read more

fn ge<T>(
    self,
    other: T
) -> GtEq<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL >= expression. Read more

fn lt<T>(
    self,
    other: T
) -> Lt<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL < expression. Read more

fn le<T>(
    self,
    other: T
) -> LtEq<Self, <T as AsExpression<Self::SqlType>>::Expression> where
    T: AsExpression<Self::SqlType>, [src]

Creates a SQL <= expression. Read more

fn between<T, U>(
    self,
    lower: T,
    upper: U
) -> Between<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>> where
    T: AsExpression<Self::SqlType>,
    U: AsExpression<Self::SqlType>, [src]

Creates a SQL BETWEEN expression using the given lower and upper bounds. Read more

fn not_between<T, U>(
    self,
    lower: T,
    upper: U
) -> NotBetween<Self, And<<T as AsExpression<Self::SqlType>>::Expression, <U as AsExpression<Self::SqlType>>::Expression>> where
    T: AsExpression<Self::SqlType>,
    U: AsExpression<Self::SqlType>, [src]

Creates a SQL NOT BETWEEN expression using the given lower and upper bounds. Read more

fn desc(self) -> Desc<Self>[src]

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

fn asc(self) -> Asc<Self>[src]

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

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

impl<T> Typeable for T where
    T: Any, [src]

fn get_type(&self) -> TypeId[src]

Get the TypeId of this object.

impl<T> Erased for T[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

impl<T> SetParameter for T[src]

fn set<T>(&mut self, value: T) -> <T as Parameter<Self>>::Result where
    T: Parameter<Self>, [src]

Sets value as a parameter of self.