PgProtocolType

custom_arrays::model::protocol_type

Struct PgProtocolType

pub struct PgProtocolType;

Trait Implementations§

impl<'expr, 'expr2> AsExpression<PgProtocolType> for &'expr2 &'expr ProtocolType

type Expression = Bound<PgProtocolType, &'expr2 &'expr ProtocolType>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<PgProtocolType>>::Expression

Perform the conversion

impl<'expr> AsExpression<PgProtocolType> for &'expr ProtocolType

type Expression = Bound<PgProtocolType, &'__expr ProtocolType>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<PgProtocolType>>::Expression

Perform the conversion

impl AsExpression<PgProtocolType> for ProtocolType

type Expression = Bound<PgProtocolType, ProtocolType>

The expression being returned

fn as_expression(self) -> <Self as AsExpression<PgProtocolType>>::Expression

Perform the conversion

impl FromSql<PgProtocolType, Pg> for ProtocolType

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

See the trait documentation.

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

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

impl HasSqlType<PgProtocolType> for Pg

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

Fetch the metadata for the given type Read more

impl SqlType for PgProtocolType

type IsNull = NotNull

Is this type nullable? Read more

impl ToSql<PgProtocolType, Pg> for ProtocolType

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

See the trait documentation.

impl SingleValue for PgProtocolType

Auto Trait Implementations§

impl Freeze for PgProtocolType

impl RefUnwindSafe for PgProtocolType

impl Send for PgProtocolType

impl Sync for PgProtocolType

impl Unpin for PgProtocolType

impl UnwindSafe for PgProtocolType

Blanket Implementations§

impl<T> AggregateExpressionMethods for T

fn aggregate_distinct(self) -> Self::Output
where Self: DistinctDsl,

DISTINCT modifier for aggregate functions Read more

fn aggregate_all(self) -> Self::Output
where Self: AllDsl,

ALL modifier for aggregate functions Read more

fn aggregate_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add an aggregate function filter Read more

fn aggregate_order<O>(self, o: O) -> Self::Output
where Self: OrderAggregateDsl<O>,

Add an aggregate function order Read more

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

type SqlType = ST

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> DowncastSend for T
where T: Any + Send,

fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.

impl<T> DowncastSync for T
where T: Any + Send + Sync,

fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

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> IntoNotNullable for T
where T: SqlType<IsNull = NotNull>,

type NotNullable = T

The not nullable representation of this type. Read more

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

type Nullable = Nullable<T>

The nullable representation of this type. Read more

impl<T> IntoSql for T

fn into_sql<T>(self) -> Self::Expression
where Self: Sized + AsExpression<T>, 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, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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.

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

Performs the conversion.

impl<T> WindowExpressionMethods for T

fn over(self) -> Self::Output
where Self: OverDsl,

Turn a function call into a window function call Read more

fn window_filter<P>(self, f: P) -> Self::Output
where P: AsExpression<Bool>, Self: FilterDsl<<P as AsExpression<Bool>>::Expression>,

Add a filter to the current window function Read more

fn partition_by<E>(self, expr: E) -> Self::Output
where Self: PartitionByDsl<E>,

Add a partition clause to the current window function Read more

fn window_order<E>(self, expr: E) -> Self::Output
where Self: OrderWindowDsl<E>,

Add a order clause to the current window function Read more

fn frame_by<E>(self, expr: E) -> Self::Output
where Self: FrameDsl<E>,

Add a frame clause to the current window function Read more

impl<T> ErasedDestructor for T
where T: 'static,

impl<ST> TypedExpressionType for ST
where ST: SingleValue,