Enum polars_io::ScanAggregation[−][src]

pub enum ScanAggregation {
    Sum {
        column: String,
        alias: Option<String>,
    },
    Min {
        column: String,
        alias: Option<String>,
    },
    Max {
        column: String,
        alias: Option<String>,
    },
    First {
        column: String,
        alias: Option<String>,
    },
    Last {
        column: String,
        alias: Option<String>,
    },
}

Variants

Sum

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Fields of Sum

column: Stringalias: Option<String>

Min

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Fields of Min

column: Stringalias: Option<String>

Max

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Fields of Max

column: Stringalias: Option<String>

First

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Fields of First

column: Stringalias: Option<String>

Last

Show fields

Fields of Last

column: Stringalias: Option<String>

Auto Trait Implementations

impl RefUnwindSafe for ScanAggregation

impl Send for ScanAggregation

impl Sync for ScanAggregation

impl Unpin for ScanAggregation

impl UnwindSafe for ScanAggregation

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,

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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,

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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

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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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.

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pub 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>,

pub fn vzip(self) -> V