Enum dataflow::render::reduce::AccumInner

enum AccumInner {
    Bool {
        trues: isize,
        falses: isize,
    },
    SimpleNumber {
        accum: i128,
        non_nulls: isize,
    },
    Float {
        accum: i128,
        pos_infs: isize,
        neg_infs: isize,
        nans: isize,
        non_nulls: isize,
    },
    Numeric {
        accum: OrderedDecimal<NumericAgg>,
        pos_infs: isize,
        neg_infs: isize,
        nans: isize,
        non_nulls: isize,
    },
}

Accumulates values for the various types of accumulable aggregations.

Variants

Bool

Fields

trues: isize

The number of true values observed.

falses: isize

The number of false values observed.

Accumulates boolean values.

SimpleNumber

Fields

accum: i128

The accumulation of all non-NULL values observed.

non_nulls: isize

The number of non-NULL values observed.

Accumulates simple numeric values.

Float

Fields

accum: i128

Accumulates non-special float values, mapped to a fixed presicion i128 domain to preserve associativity and commutativity

pos_infs: isize

Counts +inf

neg_infs: isize

Counts -inf

nans: isize

Counts NaNs

non_nulls: isize

Counts non-NULL values

Accumulates float values.

Numeric

Fields

accum: OrderedDecimal<NumericAgg>

Accumulates non-special values

pos_infs: isize

Counts +inf

neg_infs: isize

Counts -inf

nans: isize

Counts NaNs

non_nulls: isize

Counts non-NULL values

Accumulates arbitrary precision decimals.

Trait Implementations

impl Clone for AccumInner

fn clone(&self) -> AccumInner

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for AccumInner

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for AccumInner

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Multiply<isize> for AccumInner

type Output = AccumInner

Output type per the Mul trait.

fn multiply(self, factor: &isize) -> AccumInner

Core method per the Mul trait.

impl Ord for AccumInner

fn cmp(&self, other: &AccumInner) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<AccumInner> for AccumInner

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

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

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

This method tests for !=.

impl PartialOrd<AccumInner> for AccumInner

fn partial_cmp(&self, other: &AccumInner) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Semigroup for AccumInner

fn is_zero(&self) -> bool

Returns true if the element is the additive identity.

fn plus_equals(&mut self, other: &AccumInner)

The method of std::ops::AddAssign, for types that do not implement AddAssign.

impl Serialize for AccumInner

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl Eq for AccumInner

impl StructuralEq for AccumInner

impl StructuralPartialEq for AccumInner