Enum diesel::pg::data_types::PgNumeric

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pub enum PgNumeric {
    Positive {
        weight: i16,
        scale: u16,
        digits: Vec<i16>,
    },
    Negative {
        weight: i16,
        scale: u16,
        digits: Vec<i16>,
    },
    NaN,
}

Expand description

Represents a NUMERIC value, closely mirroring the PG wire protocol representation

Variants

`Positive`

Fields

weight: i16

How many digits come before the decimal point?

scale: u16

How many significant digits are there?

digits: Vec<i16>

The digits in this number, stored in base 10000

A positive number

`Negative`

Fields

weight: i16

How many digits come before the decimal point?

scale: u16

How many significant digits are there?

digits: Vec<i16>

The digits in this number, stored in base 10000

A negative number

`NaN`

Not a number

Trait Implementations

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impl<'expr> AsExpression<Nullable<Numeric>> for &'expr PgNumeric

type Expression = Bound<Nullable<Numeric>, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl AsExpression<Nullable<Numeric>> for PgNumeric

type Expression = Bound<Nullable<Numeric>, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl<'expr> AsExpression<Numeric> for &'expr PgNumeric

type Expression = Bound<Numeric, Self>

The expression being returned

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fn as_expression(self) -> Self::Expression

Perform the conversion

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impl AsExpression<Numeric> for PgNumeric

type Expression = Bound<Numeric, 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 PgNumeric

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fn clone(&self) -> PgNumeric

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 PgNumeric

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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 FromSql<Numeric, Pg> for PgNumeric

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

See the trait documentation.

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impl<ST, DB> FromSqlRow<ST, DB> for PgNumeric where
DB: Backend,
Self: FromSql<ST, __DB>,

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fn build_from_row<R: Row<__DB>>(row: &mut R) -> Result<Self>

See the trait documentation.

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const FIELDS_NEEDED: usize

The number of fields that this type will consume. Must be equal to the number of times you would call row.take() in build_from_row Read more

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impl PartialEq<PgNumeric> for PgNumeric

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fn eq(&self, other: &PgNumeric) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &PgNumeric) -> bool

This method tests for !=.

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impl<ST, DB> Queryable<ST, DB> for PgNumeric where
DB: Backend,
Self: FromSql<ST, __DB>,

type Row = Self

The Rust type you’d like to map from. Read more

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fn build(row: Self::Row) -> Self

Construct an instance of this type

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impl<DB> ToSql<Nullable<Numeric>, DB> for PgNumeric where
DB: Backend,
Self: ToSql<Numeric, DB>,

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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 ToSql<Numeric, Pg> for PgNumeric

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

See the trait documentation.

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impl Eq for PgNumeric

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impl StructuralEq for PgNumeric

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impl StructuralPartialEq for PgNumeric

Auto Trait Implementations

impl RefUnwindSafe for PgNumeric

impl Send for PgNumeric

impl Sync for PgNumeric

impl Unpin for PgNumeric

impl UnwindSafe for PgNumeric

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> 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.

Enum diesel::pg::data_types::PgNumeric

Variants

Positive

Fields

Negative

Fields

NaN

Trait Implementations

impl<'expr> AsExpression<Nullable<Numeric>> for &'expr PgNumeric

type Expression = Bound<Nullable<Numeric>, Self>

fn as_expression(self) -> Self::Expression

impl AsExpression<Nullable<Numeric>> for PgNumeric

type Expression = Bound<Nullable<Numeric>, Self>

fn as_expression(self) -> Self::Expression

impl<'expr> AsExpression<Numeric> for &'expr PgNumeric

type Expression = Bound<Numeric, Self>

fn as_expression(self) -> Self::Expression

impl AsExpression<Numeric> for PgNumeric

type Expression = Bound<Numeric, Self>

fn as_expression(self) -> Self::Expression

impl Clone for PgNumeric

fn clone(&self) -> PgNumeric

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

impl Debug for PgNumeric

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

impl FromSql<Numeric, Pg> for PgNumeric

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

impl<__ST, __DB> FromSqlRow<__ST, __DB> for PgNumeric where __DB: Backend, Self: FromSql<__ST, __DB>,

fn build_from_row<R: Row<__DB>>(row: &mut R) -> Result<Self>

const FIELDS_NEEDED: usize

impl PartialEq<PgNumeric> for PgNumeric

fn eq(&self, other: &PgNumeric) -> bool

fn ne(&self, other: &PgNumeric) -> bool

impl<__ST, __DB> Queryable<__ST, __DB> for PgNumeric where __DB: Backend, Self: FromSql<__ST, __DB>,

type Row = Self

fn build(row: Self::Row) -> Self

impl<__DB> ToSql<Nullable<Numeric>, __DB> for PgNumeric where __DB: Backend, Self: ToSql<Numeric, __DB>,

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

impl ToSql<Numeric, Pg> for PgNumeric

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

impl Eq for PgNumeric

impl StructuralEq for PgNumeric

impl StructuralPartialEq for PgNumeric

Auto Trait Implementations

impl RefUnwindSafe for PgNumeric

impl Send for PgNumeric

impl Sync for PgNumeric

impl Unpin for PgNumeric

impl UnwindSafe for PgNumeric

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> 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>

`Positive`

`Negative`

`NaN`

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

impl<ST, DB> FromSqlRow<ST, DB> for PgNumeric where
DB: Backend,
Self: FromSql<ST, __DB>,

impl<ST, DB> Queryable<ST, DB> for PgNumeric where
DB: Backend,
Self: FromSql<ST, __DB>,

impl<DB> ToSql<Nullable<Numeric>, DB> for PgNumeric where
DB: Backend,
Self: ToSql<Numeric, DB>,

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>,

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>,