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AggregateFunction

alopex_sql::planner::aggregate_expr

Enum AggregateFunction

pub enum AggregateFunction {
Show 36 variants    Count,
    Sum,
    Total,
    Avg,
    Min,
    Max,
    GroupConcat {
        separator: Option<String>,
    },
    StringAgg {
        separator: Option<String>,
    },
    PercentileDisc {
        fraction: f64,
    },
    PercentileCont {
        fraction: f64,
    },
    QuantileCont {
        fraction: f64,
    },
    Variance {
        sample: bool,
    },
    Stddev {
        sample: bool,
    },
    Covariance {
        sample: bool,
    },
    Corr,
    Median,
    Mode,
    RegrCount,
    RegrAvgX,
    RegrAvgY,
    RegrSxx,
    RegrSyy,
    RegrSxy,
    RegrSlope,
    RegrIntercept,
    RegrR2,
    AnyValue,
    First,
    Last,
    ArgMin,
    ArgMax,
    BitAnd,
    BitOr,
    BitXor,
    BoolAnd,
    BoolOr,
}

Expand description

Supported aggregate function types.

Variants§

Count

Sum

Total

Avg

Min

Max

GroupConcat

Fields

§separator: Option<String>

StringAgg

Fields

§separator: Option<String>

PercentileDisc

Ordered-set aggregate PERCENTILE_DISC(fraction) WITHIN GROUP (ORDER BY ...) (issue #148). fraction is validated by the planner to be a literal in [0, 1]. Issue #154 (PERCENTILE_CONT / MODE) extends this enum with sibling variants reusing the same ordered-input path.

Fields

§fraction: f64

PercentileCont

Fields

§fraction: f64

QuantileCont

Fields

§fraction: f64

Variance

Fields

§sample: bool

Stddev

Fields

§sample: bool

Covariance

Fields

§sample: bool

Corr

Median

Mode

RegrCount

RegrAvgX

RegrAvgY

RegrSxx

RegrSyy

RegrSxy

RegrSlope

RegrIntercept

RegrR2

AnyValue

First

Last

ArgMin

ArgMax

BitAnd

BitOr

BitXor

BoolAnd

BoolOr

Trait Implementations§

impl Clone for AggregateFunction

fn clone(&self) -> AggregateFunction

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl Debug for AggregateFunction

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

Formats the value using the given formatter. Read more

impl PartialEq for AggregateFunction

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

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more

impl StructuralPartialEq for AggregateFunction

Auto Trait Implementations§

impl Freeze for AggregateFunction

impl RefUnwindSafe for AggregateFunction

impl Send for AggregateFunction

impl Sync for AggregateFunction

impl Unpin for AggregateFunction

impl UnsafeUnpin for AggregateFunction

impl UnwindSafe for AggregateFunction

Blanket Implementations§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> MaybeSend for T
where T: Send,

impl<T> Same for T

type Output = T

Should always be Self

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more