Struct diesel::sql_types::Float

source · [−]

pub struct Float;

Expand description

The float SQL type.

`ToSql` impls

f32

`FromSql` impls

f32

Trait Implementations

source

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

source

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

type Expression = Bound<Float, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

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

type Expression = Bound<Float, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

impl AsExpression<Float> for f32

type Expression = Bound<Float, Self>

The expression being returned

source

fn as_expression(self) -> Self::Expression

Perform the conversion

source

impl Clone for Float

source

fn clone(&self) -> Float

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 Debug for Float

source

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

Formats the value using the given formatter. Read more

source

impl Default for Float

source

fn default() -> Float

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

source

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

source

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)

source

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

source

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

See the trait documentation.

source

impl HasSqlType<Float> for Pg

source

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type Read more

source

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

source

impl QueryId for Float

type QueryId = Float

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

source

const HAS_STATIC_QUERY_ID: bool

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 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

source

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

source

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

See the trait documentation.

source

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

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

source

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

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

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.

source

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

type Nullable = Nullable<T>

The nullable representation of this type. Read more

source

impl<T> IntoSql for T

source

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

source

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

source

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

type Owned = T

The resulting type after obtaining ownership.

source

pub fn to_owned(&self) -> T

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

source

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

source

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.

source

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::Float

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 HasSqlType<Float> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

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,

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<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>,