Struct backend::schema::sql_types::Quality

source · 
pub struct Quality;

Trait Implementations§

source§

impl<'a, 'b> AsExpression<Quality> for &'a &'b Quality

§

type Expression = Bound<Quality, &'a &'b Quality>

The expression being returned
source§

fn as_expression(self) -> Self::Expression

Perform the conversion
source§

impl<'a> AsExpression<Quality> for &'a Quality

§

type Expression = Bound<Quality, &'a Quality>

The expression being returned
source§

fn as_expression(self) -> Self::Expression

Perform the conversion
source§

impl AsExpression<Quality> for Quality

§

type Expression = Bound<Quality, Quality>

The expression being returned
source§

fn as_expression(self) -> Self::Expression

Perform the conversion
source§

impl Clone for Quality

source§

fn clone(&self) -> Self

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 FromSql<Quality, Pg> for Quality

source§

fn from_sql(raw: PgValue<'_>) -> Result<Self>

See the trait documentation.
source§

fn from_nullable_sql( bytes: Option<<DB as HasRawValue<'_>>::RawValue> ) -> Result<Self, Box<dyn Error + Sync + Send, Global>>

A specialized variant of from_sql for handling null values. Read more
source§

impl HasSqlType<Quality> for Pg

source§

fn metadata(lookup: &mut Self::MetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type Read more
source§

impl QueryId for Quality

§

type QueryId = Quality

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
source§

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 Queryable<Quality, Pg> for Quality

§

type Row = Quality

The Rust type you’d like to map from. Read more
source§

fn build(row: Self::Row) -> Result<Self>

Construct an instance of this type
source§

impl SqlType for Quality

§

type IsNull = NotNull

Is this type nullable? Read more
source§

impl ToSql<Quality, Pg> for Quality

source§

fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

See the trait documentation.
source§

impl SingleValue for Quality

Auto Trait Implementations§

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<ST, U, DB> CompatibleType<U, DB> for STwhere DB: Backend, ST: SqlType + SingleValue, U: FromSqlRow<ST, DB>,

§

type SqlType = ST

source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

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

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

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 Twhere 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.

source§

impl<T> IntoNotNullable for Twhere T: SqlType<IsNull = NotNull>,

§

type NotNullable = T

The not nullable representation of this type. Read more
source§

impl<T> IntoNullable for Twhere T: SqlType<IsNull = NotNull> + SingleValue,

§

type Nullable = Nullable<T>

The nullable representation of this type. Read more
source§

impl<T> IntoSql for T

source§

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 more
source§

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 more
source§

impl<T> Paginate for T

source§

fn paginate(self, page: Option<i32>) -> PaginatedQuery<T>

Return a paginated version of a query for a specific page number.
source§

impl<T, Conn> RunQueryDsl<Conn> for T

source§

fn execute<'query, 'conn>( self, conn: &'conn mut Conn ) -> <Conn as AsyncConnection>::ExecuteFuture<'conn, 'query>where Conn: AsyncConnection + Send, Self: ExecuteDsl<Conn, <Conn as AsyncConnection>::Backend> + 'query,

Executes the given command, returning the number of rows affected. Read more
source§

fn load<'query, U, 'conn>( self, conn: &'conn mut Conn ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U, Global>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U, Global>>>where U: Send, Conn: AsyncConnection, Self: LoadQuery<'query, Conn, U> + 'query,

Executes the given query, returning a Vec with the returned rows. Read more
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,

Executes the given query, returning a Stream with the returned rows. Read more
source§

fn get_result<'query, 'conn, U>( self, conn: &'conn mut Conn ) -> AndThen<Self::LoadFuture<'conn>, Map<StreamFuture<Pin<Box<Self::Stream<'conn>, Global>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>, Global>>)) -> Result<U, Error>>, fn(_: Self::Stream<'conn>) -> Map<StreamFuture<Pin<Box<Self::Stream<'conn>, Global>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<Self::Stream<'conn>, Global>>)) -> Result<U, Error>>>where U: Send + 'conn, Conn: AsyncConnection, Self: LoadQuery<'query, Conn, U> + 'query,

Runs the command, and returns the affected row. Read more
source§

fn get_results<'query, U, 'conn>( self, conn: &'conn mut Conn ) -> AndThen<Self::LoadFuture<'conn>, TryCollect<Self::Stream<'conn>, Vec<U, Global>>, fn(_: Self::Stream<'conn>) -> TryCollect<Self::Stream<'conn>, Vec<U, Global>>>where U: Send, Conn: AsyncConnection, Self: LoadQuery<'query, Conn, U> + 'query,

Runs the command, returning an Vec with the affected rows. Read more
source§

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>, Global>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>, Global>>)) -> 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>, Global>>>, fn(_: (Option<Result<U, Error>>, Pin<Box<<Self::Output as LoadQuery<'query, Conn, U>>::Stream<'conn>, Global>>)) -> Result<U, Error>>>where U: Send + 'conn, Conn: AsyncConnection, Self: LimitDsl, Self::Output: LoadQuery<'query, Conn, U> + Send + 'query,

Attempts to load a single record. Read more
source§

impl<T> Same<T> for T

§

type Output = T

Should always be Self
source§

impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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.
source§

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

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

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
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<ST> TypedExpressionType for STwhere ST: SingleValue,