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,
}

Available on crate feature postgres_backend only.

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>, &'expr PgNumeric>

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>, PgNumeric>

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, &'expr PgNumeric>

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, PgNumeric>

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

1.0.0 · source

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<'a> From<&'a BigDecimal> for PgNumeric

Available on crate feature bigdecimal only.

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fn from(decimal: &'a BigDecimal) -> Self

Converts to this type from the input type.

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impl From<BigDecimal> for PgNumeric

Available on crate feature bigdecimal only.

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fn from(bigdecimal: BigDecimal) -> Self

Converts to this type from the input type.

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impl FromSql<Numeric, Pg> for PgNumeric

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fn from_sql(bytes: PgValue<'_>) -> Result<Self>

See the trait documentation.

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fn from_nullable_sql(bytes: Option<RawValue<'_, DB>>) -> Result<Self>

A specialized variant of from_sql for handling null values. 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

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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

type Row = PgNumeric

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

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fn build(row: Self::Row) -> Result<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<'b>(&'b self, out: &mut Output<'__b, '_, __DB>) -> Result

See the trait documentation.

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impl ToSql<Numeric, Pg> for PgNumeric

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

See the trait documentation.

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impl<'a> TryFrom<&'a PgNumeric> for BigDecimal

Available on crate feature bigdecimal only.

type Error = Box<dyn Error + Sync + Send + 'static, Global>

The type returned in the event of a conversion error.

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fn try_from(numeric: &'a PgNumeric) -> Result<Self>

Performs the conversion.

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impl TryFrom<PgNumeric> for BigDecimal

Available on crate feature bigdecimal only.

type Error = Box<dyn Error + Sync + Send + 'static, Global>

The type returned in the event of a conversion error.

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fn try_from(numeric: PgNumeric) -> Result<Self>

Performs the conversion.

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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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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, ST, DB> FromSqlRow<ST, DB> for T where
 T: Queryable<ST, DB>,
 ST: SqlTypeOrSelectable,
 DB: Backend,
 <T as Queryable<ST, DB>>::Row: FromStaticSqlRow<ST, DB>,

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fn build_from_row<'a>(
row: &impl Row<'a, DB>
) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

See the trait documentation.

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impl<T, ST, DB> FromStaticSqlRow<ST, DB> for T where
 DB: Backend,
 T: FromSql<ST, DB>,
 ST: SingleValue,

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fn build_from_row<'a>(
row: &impl Row<'a, DB>
) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

See the trait documentation

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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> IntoSql for T

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

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>,
T: SqlType + TypedExpressionType,

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

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impl<T, ST, DB> StaticallySizedRow<ST, DB> for T where
 ST: SqlTypeOrSelectable + TupleSize,
 T: Queryable<ST, DB>,
 DB: Backend,

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const FIELD_COUNT: usize =

The number of fields that this type will consume.

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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)

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.

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>, &'expr PgNumeric>

fn as_expression(self) -> Self::Expression

impl AsExpression<Nullable<Numeric>> for PgNumeric

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

fn as_expression(self) -> Self::Expression

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

type Expression = Bound<Numeric, &'expr PgNumeric>

fn as_expression(self) -> Self::Expression

impl AsExpression<Numeric> for PgNumeric

type Expression = Bound<Numeric, PgNumeric>

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<'a> From<&'a BigDecimal> for PgNumeric

fn from(decimal: &'a BigDecimal) -> Self

impl From<BigDecimal> for PgNumeric

fn from(bigdecimal: BigDecimal) -> Self

impl FromSql<Numeric, Pg> for PgNumeric

fn from_sql(bytes: PgValue<'_>) -> Result<Self>

fn from_nullable_sql(bytes: Option<RawValue<'_, DB>>) -> Result<Self>

impl PartialEq<PgNumeric> for PgNumeric

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

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

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

type Row = PgNumeric

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

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

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

impl ToSql<Numeric, Pg> for PgNumeric

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

impl<'a> TryFrom<&'a PgNumeric> for BigDecimal

type Error = Box<dyn Error + Sync + Send + 'static, Global>

fn try_from(numeric: &'a PgNumeric) -> Result<Self>

impl TryFrom<PgNumeric> for BigDecimal

type Error = Box<dyn Error + Sync + Send + 'static, Global>

fn try_from(numeric: PgNumeric) -> Result<Self>

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,

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, ST, DB> FromSqlRow<ST, DB> for T where T: Queryable<ST, DB>, ST: SqlTypeOrSelectable, DB: Backend, <T as Queryable<ST, DB>>::Row: FromStaticSqlRow<ST, DB>,

fn build_from_row<'a>( row: &impl Row<'a, DB>) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

impl<T, ST, DB> FromStaticSqlRow<ST, DB> for T where DB: Backend, T: FromSql<ST, DB>, ST: SingleValue,

fn build_from_row<'a>( row: &impl Row<'a, DB>) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

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

fn into(self) -> U

impl<T> IntoSql for T

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

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

impl<T, ST, DB> StaticallySizedRow<ST, DB> for T where ST: SqlTypeOrSelectable + TupleSize, T: Queryable<ST, DB>, DB: Backend,

const FIELD_COUNT: usize =

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

type Owned = T

fn to_owned(&self) -> T

`Positive`

`Negative`

`NaN`

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

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

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

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, ST, DB> FromSqlRow<ST, DB> for T where
T: Queryable<ST, DB>,
ST: SqlTypeOrSelectable,
DB: Backend,
<T as Queryable<ST, DB>>::Row: FromStaticSqlRow<ST, DB>,

fn build_from_row<'a>(
row: &impl Row<'a, DB>
) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

impl<T, ST, DB> FromStaticSqlRow<ST, DB> for T where
DB: Backend,
T: FromSql<ST, DB>,
ST: SingleValue,

fn build_from_row<'a>(
row: &impl Row<'a, DB>
) -> Result<T, Box<dyn Error + Sync + Send + 'static, Global>>

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

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

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

impl<T, ST, DB> StaticallySizedRow<ST, DB> for T where
ST: SqlTypeOrSelectable + TupleSize,
T: Queryable<ST, DB>,
DB: Backend,

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>,