Struct diesel::sql_types::Double

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pub struct Double;

Expand description

The double precision float SQL type.

`ToSql` impls

f64

`FromSql` impls

f64

Trait Implementations

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impl Add for Double

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

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impl<'expr> AsExpression<Double> for &'expr f64

type Expression = Bound<Double, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl<'expr2, 'expr> AsExpression<Double> for &'expr2 &'expr f64

type Expression = Bound<Double, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl AsExpression<Double> for f64

type Expression = Bound<Double, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl Clone for Double

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fn clone(&self) -> Double

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for Double

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

Formats the value using the given formatter. Read more

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impl Default for Double

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fn default() -> Double

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

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impl Div for Double

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

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impl Foldable for Double

type Sum = Nullable<Double>

The SQL type of sum(this_type)

type Avg = Nullable<Double>

The SQL type of avg(this_type)

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

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

See the trait documentation.

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impl HasSqlType<Double> for Pg

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fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type Read more

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impl Mul for Double

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

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impl QueryId for Double

type QueryId = Double

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

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const HAS_STATIC_QUERY_ID: bool

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

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fn query_id() -> Option<TypeId>

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

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impl Sub for Double

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

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impl<DB: Backend> ToSql<Double, DB> for f64

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fn to_sql<W: Write>(&self, out: &mut Output<'_, W, DB>) -> Result

See the trait documentation.

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impl SqlOrd for Double

Auto Trait Implementations

impl RefUnwindSafe for Double

impl Send for Double

impl Sync for Double

impl Unpin for Double

impl UnwindSafe for Double

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoNullable for T where
T: NotNull,

type Nullable = Nullable<T>

The nullable representation of this type. Read more

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impl<T> IntoSql for T

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

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

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

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

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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

🔬 This is a nightly-only experimental API. (toowned_clone_into)

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

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct diesel::sql_types::Double

Trait Implementations

impl Add for Double

type Rhs = Double

type Output = Double

impl<'expr> AsExpression<Double> for &'expr f64

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression

impl<'expr2, 'expr> AsExpression<Double> for &'expr2 &'expr f64

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression

impl AsExpression<Double> for f64

type Expression = Bound<Double, Self>

fn as_expression(self) -> Self::Expression

impl Clone for Double

fn clone(&self) -> Double

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

impl Debug for Double

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

impl Default for Double

fn default() -> Double

impl Div for Double

type Rhs = Double

type Output = Double

impl Foldable for Double

type Sum = Nullable<Double>

type Avg = Nullable<Double>

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

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

impl HasSqlType<Double> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

impl Mul for Double

type Rhs = Double

type Output = Double

impl QueryId for Double

type QueryId = Double

const HAS_STATIC_QUERY_ID: bool

fn query_id() -> Option<TypeId>

impl Sub for Double

type Rhs = Double

type Output = Double

impl<DB: Backend> ToSql<Double, DB> for f64

fn to_sql<W: Write>(&self, out: &mut Output<'_, W, DB>) -> Result

impl Copy for Double

impl NotNull for Double

impl SingleValue for Double

impl SqlOrd for Double

Auto Trait Implementations

impl RefUnwindSafe for Double

impl Send for Double

impl Sync for Double

impl Unpin for Double

impl UnwindSafe for Double

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> IntoNullable for T where T: NotNull,

type Nullable = Nullable<T>

impl<T> IntoSql for T

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

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

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

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

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

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

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

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

impl<T> IntoNullable for T where
T: NotNull,

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

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

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

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

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