Enum diesel::pg::data_types::PgNumeric

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

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

Variants

Positive

A positive number

Fields of Positive

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

Negative

A negative number

Fields of Negative

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

NaN

Not a number

Trait Implementations

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.

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

Construct an instance of this type

impl FromSql<Numeric, Pg> for PgNumeric

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

See the trait documentation.

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>

See the trait documentation.

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

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

type Expression = Bound<Numeric, Self>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

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

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

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl AsExpression<Numeric> for PgNumeric

type Expression = Bound<Numeric, Self>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl AsExpression<Nullable<Numeric>> for PgNumeric

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

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

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

See the trait documentation.

impl ToSql<Numeric, Pg> for PgNumeric

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

See the trait documentation.

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

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

Performs the conversion.

impl From<BigDecimal> for PgNumeric

fn from(bigdecimal: BigDecimal) -> Self

Performs the conversion.

impl Eq for PgNumeric

impl PartialEq<PgNumeric> for PgNumeric

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

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

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

This method tests for !=.

impl Clone for PgNumeric

fn clone(&self) -> PgNumeric

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PgNumeric

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

Formats the value using the given formatter.