Struct diesel::sql_types::Float

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pub struct Float;

Expand description

The float SQL type.

`ToSql` impls

f32

`FromSql` impls

f32

Trait Implementations

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impl Add for Float

type Rhs = Float

The SQL type which can be added to this one

type Output = Float

The SQL type of the result of adding Rhs to Self

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impl<'expr> AsExpression<Float> for &'expr f32

type Expression = Bound<Float, 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<Float> for &'expr2 &'expr f32

type Expression = Bound<Float, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl AsExpression<Float> for f32

type Expression = Bound<Float, 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 Float

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fn clone(&self) -> Float

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 Float

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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 Float

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fn default() -> Float

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

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impl Div for Float

type Rhs = Float

The SQL type which this one can be divided by

type Output = Float

The SQL type of the result of dividing Self by Rhs

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impl Foldable for Float

type Sum = Nullable<Float>

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<Float, DB> for f32

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

See the trait documentation.

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impl Mul for Float

type Rhs = Float

The SQL type which this can be multiplied by

type Output = Float

The SQL type of the result of multiplying Self by Rhs

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impl QueryId for Float

type QueryId = Float

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 Float

type Rhs = Float

The SQL type which can be subtracted from this one

type Output = Float

The SQL type of the result of subtracting Rhs from Self

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impl<DB: Backend> ToSql<Float, DB> for f32

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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 Float

Auto Trait Implementations

impl RefUnwindSafe for Float

impl Send for Float

impl Sync for Float

impl Unpin for Float

impl UnwindSafe for Float

Blanket Implementations

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

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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

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

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

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

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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fn to_owned(&self) -> T

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

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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

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

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

Performs the conversion.

Struct diesel::sql_types::Float

ToSql impls

FromSql impls

Trait Implementations

impl Add for Float

type Rhs = Float

type Output = Float

impl<'expr> AsExpression<Float> for &'expr f32

type Expression = Bound<Float, Self>

fn as_expression(self) -> Self::Expression

impl<'expr2, 'expr> AsExpression<Float> for &'expr2 &'expr f32

type Expression = Bound<Float, Self>

fn as_expression(self) -> Self::Expression

impl AsExpression<Float> for f32

type Expression = Bound<Float, Self>

fn as_expression(self) -> Self::Expression

impl Clone for Float

fn clone(&self) -> Float

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

impl Debug for Float

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

impl Default for Float

fn default() -> Float

impl Div for Float

type Rhs = Float

type Output = Float

impl Foldable for Float

type Sum = Nullable<Float>

type Avg = Nullable<Double>

impl<DB: Backend<RawValue = [u8]>> FromSql<Float, DB> for f32

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

impl Mul for Float

type Rhs = Float

type Output = Float

impl QueryId for Float

type QueryId = Float

const HAS_STATIC_QUERY_ID: bool

fn query_id() -> Option<TypeId>

impl Sub for Float

type Rhs = Float

type Output = Float

impl<DB: Backend> ToSql<Float, DB> for f32

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

impl Copy for Float

impl NotNull for Float

impl SingleValue for Float

impl SqlOrd for Float

Auto Trait Implementations

impl RefUnwindSafe for Float

impl Send for Float

impl Sync for Float

impl Unpin for Float

impl UnwindSafe for Float

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

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

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

`ToSql` impls

`FromSql` impls

impl<DB: Backend<RawValue = [u8 ]>> FromSql<Float, DB> for f32

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>,