[−][src]Struct diesel::sql_types::Double

[+] Show declaration

pub struct Double;

[−]

The double precision float SQL type.

`ToSql` impls

f64

`FromSql` impls

f64

Trait Implementations

`impl<DB: Backend<RawValue = [u8]>> FromSql<Double, DB> for f64`[src][+]

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`fn from_sql(bytes: Option<&[u8]>) -> Result<Self>`[src][−]

`impl<'expr> AsExpression<Double> for &'expr f64`[src][+]

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`type Expression = Bound<Double, Self>`

The expression being returned

`fn as_expression(self) -> Self::Expression`[src][−]

`impl<'expr2, 'expr> AsExpression<Double> for &'expr2 &'expr f64`[src][+]

[+] Show hidden undocumented items

`type Expression = Bound<Double, Self>`

The expression being returned

`fn as_expression(self) -> Self::Expression`[src][−]

`impl AsExpression<Double> for f64`[src][+]

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`type Expression = Bound<Double, Self>`

The expression being returned

`fn as_expression(self) -> Self::Expression`[src][−]

`impl QueryId for Double`[src][+]

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`type QueryId = Double`

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

`const HAS_STATIC_QUERY_ID: bool`[src][−][−]

`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<DB: Backend> ToSql<Double, DB> for f64`[src][+]

[+] Show hidden undocumented items

`fn to_sql<W: Write>(&self, out: &mut Output<W, DB>) -> Result`[src][−]

`impl Foldable for Double`[src]

`type Sum = Nullable<Double>`

The SQL type of sum(this_type)

`type Avg = Nullable<Double>`

The SQL type of avg(this_type)

`impl Add for Double`[src]

`type Rhs = Double`

The SQL type which can be added to this one

`type Output = Double`

The SQL type of the result of adding Rhs to Self

`impl Sub for Double`[src]

`type Rhs = Double`

The SQL type which can be subtracted from this one

`type Output = Double`

The SQL type of the result of subtracting Rhs from Self

`impl Mul for Double`[src]

`type Rhs = Double`

The SQL type which this can be multiplied by

`type Output = Double`

The SQL type of the result of multiplying Self by Rhs

`impl Div for Double`[src]

`type Rhs = Double`

The SQL type which this one can be divided by

`type Output = Double`

The SQL type of the result of dividing Self by Rhs

`impl SqlOrd for Double`[src]

`impl HasSqlType<Double> for Mysql`[src][+]

[+] Show hidden undocumented items

`fn metadata(_: &()) -> MysqlType`[src][−]

`impl NotNull for Double`[src]

`impl SingleValue for Double`[src]

`impl Copy for Double`[src]

`impl Default for Double`[src][+]

[+] Show hidden undocumented items

`fn default() -> Double`[src][−]

`impl Clone for Double`[src][+]

[+] Show hidden undocumented items

`fn clone(&self) -> Double`[src][−]

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

Performs copy-assignment from source. Read more

`impl Debug for Double`[src][+]

[+] Show hidden undocumented items

`fn fmt(&self, f: &mut Formatter) -> Result`[src][−]

Auto Trait Implementations

`impl Unpin for Double`

`impl Sync for Double`

`impl Send for Double`

`impl UnwindSafe for Double`

`impl RefUnwindSafe for Double`

Blanket Implementations

`impl<T> IntoSql for T`[src][+]

`fn into_sql<T>(self) -> AsExprOf<Self, T> where Self: AsExpression<T> + Sized,` [src][−]

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

`fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T> where &'a Self: AsExpression<T>,` [src][−]

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

`impl<T> IntoNullable for T where T: NotNull,` [src]

`type Nullable = Nullable<T>`

The nullable representation of this type. Read more

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

[+] Show hidden undocumented items

`type Owned = T`

The resulting type after obtaining ownership.

`fn to_owned(&self) -> T`[src][−]

`fn clone_into(&self, target: &mut T)`[src][−]

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

[+] Show hidden undocumented items

`fn from(t: T) -> T`[src][−]

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

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`fn into(self) -> U`[src][−]

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

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`type Error = Infallible`

The type returned in the event of a conversion error.

`fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`[src][−]

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

[+] Show hidden undocumented items

`type Error = >::Error`

The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, >::Error>`[src][−]

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

[+] Show hidden undocumented items

`fn borrow(&self) -> &T`[src][−]

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

[+] Show hidden undocumented items

`fn borrow_mut(&mut self) -> &mut T`[src][−]

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

[+] Show hidden undocumented items

[−][src]Struct diesel::sql_types::Double

ToSql impls

FromSql impls

Trait Implementations

impl<DB: Backend<RawValue = [u8]>> FromSql<Double, DB> for f64[src][+]

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>[src][−]

impl<'expr> AsExpression<Double> for &'expr f64[src][+]

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression[src][−]

impl<'expr2, 'expr> AsExpression<Double> for &'expr2 &'expr f64[src][+]

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression[src][−]

impl AsExpression<Double> for f64[src][+]

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression[src][−]

impl QueryId for Double[src][+]

type QueryId = Double

const HAS_STATIC_QUERY_ID: bool[src][−][−]

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

impl<DB: Backend> ToSql<Double, DB> for f64[src][+]

fn to_sql<W: Write>(&self, out: &mut Output<W, DB>) -> Result[src][−]

impl Foldable for Double[src]

type Sum = Nullable<Double>

type Avg = Nullable<Double>

impl Add for Double[src]

type Rhs = Double

type Output = Double

impl Sub for Double[src]

type Rhs = Double

type Output = Double

impl Mul for Double[src]

type Rhs = Double

type Output = Double

impl Div for Double[src]

type Rhs = Double

type Output = Double

impl SqlOrd for Double[src]

impl HasSqlType<Double> for Mysql[src][+]

fn metadata(_: &()) -> MysqlType[src][−]

impl NotNull for Double[src]

impl SingleValue for Double[src]

impl Copy for Double[src]

impl Default for Double[src][+]

fn default() -> Double[src][−]

impl Clone for Double[src][+]

fn clone(&self) -> Double[src][−]

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

impl Debug for Double[src][+]

fn fmt(&self, f: &mut Formatter) -> Result[src][−]

Auto Trait Implementations

impl Unpin for Double

impl Sync for Double

impl Send for Double

impl UnwindSafe for Double

impl RefUnwindSafe for Double

Blanket Implementations

impl<T> IntoSql for T[src][+]

fn into_sql<T>(self) -> AsExprOf<Self, T> where Self: AsExpression<T> + Sized, [src][−]

fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T> where &'a Self: AsExpression<T>, [src][−]

impl<T> IntoNullable for T where T: NotNull, [src]

type Nullable = Nullable<T>

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

type Owned = T

fn to_owned(&self) -> T[src][−]

fn clone_into(&self, target: &mut T)[src][−]

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

fn from(t: T) -> T[src][−]

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

fn into(self) -> U[src][−]

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

type Error = Infallible

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

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

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

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

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

fn borrow(&self) -> &T[src][−]

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

fn borrow_mut(&mut self) -> &mut T[src][−]

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

`ToSql` impls

`FromSql` impls

`impl<DB: Backend<RawValue = [u8]>> FromSql<Double, DB> for f64`[src][+]

`fn from_sql(bytes: Option<&[u8]>) -> Result<Self>`[src][−]

`impl<'expr> AsExpression<Double> for &'expr f64`[src][+]

`type Expression = Bound<Double, Self>`

`fn as_expression(self) -> Self::Expression`[src][−]

`impl<'expr2, 'expr> AsExpression<Double> for &'expr2 &'expr f64`[src][+]

`type Expression = Bound<Double, Self>`

`fn as_expression(self) -> Self::Expression`[src][−]

`impl AsExpression<Double> for f64`[src][+]

`type Expression = Bound<Double, Self>`

`fn as_expression(self) -> Self::Expression`[src][−]

`impl QueryId for Double`[src][+]

`type QueryId = Double`

`const HAS_STATIC_QUERY_ID: bool`[src][−][−]

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

`impl<DB: Backend> ToSql<Double, DB> for f64`[src][+]

`fn to_sql<W: Write>(&self, out: &mut Output<W, DB>) -> Result`[src][−]

`impl Foldable for Double`[src]

`type Sum = Nullable<Double>`

`type Avg = Nullable<Double>`

`impl Add for Double`[src]

`type Rhs = Double`

`type Output = Double`

`impl Sub for Double`[src]

`type Rhs = Double`

`type Output = Double`

`impl Mul for Double`[src]

`type Rhs = Double`

`type Output = Double`

`impl Div for Double`[src]

`type Rhs = Double`

`type Output = Double`

`impl SqlOrd for Double`[src]

`impl HasSqlType<Double> for Mysql`[src][+]

`fn metadata(_: &()) -> MysqlType`[src][−]

`impl NotNull for Double`[src]

`impl SingleValue for Double`[src]

`impl Copy for Double`[src]

`impl Default for Double`[src][+]

`fn default() -> Double`[src][−]

`impl Clone for Double`[src][+]

`fn clone(&self) -> Double`[src][−]

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

`impl Debug for Double`[src][+]

`fn fmt(&self, f: &mut Formatter) -> Result`[src][−]

`impl Unpin for Double`

`impl Sync for Double`

`impl Send for Double`

`impl UnwindSafe for Double`

`impl RefUnwindSafe for Double`

`impl<T> IntoSql for T`[src][+]

`fn into_sql<T>(self) -> AsExprOf<Self, T> where Self: AsExpression<T> + Sized,` [src][−]

`fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T> where &'a Self: AsExpression<T>,` [src][−]

`impl<T> IntoNullable for T where T: NotNull,` [src]

`type Nullable = Nullable<T>`

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

`type Owned = T`

`fn to_owned(&self) -> T`[src][−]

`fn clone_into(&self, target: &mut T)`[src][−]

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

`fn from(t: T) -> T`[src][−]

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

`fn into(self) -> U`[src][−]

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

`type Error = Infallible`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`[src][−]

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

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

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`[src][−]

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

`fn borrow(&self) -> &T`[src][−]

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

`fn borrow_mut(&mut self) -> &mut T`[src][−]

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

`fn type_id(&self) -> TypeId`[src][−]