Enum polars_plan::logical_plan::AExpr

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pub enum AExpr {
Show 19 variants
    Explode(Node),
    Alias(Node, Arc<str>),
    Column(Arc<str>),
    Literal(LiteralValue),
    BinaryExpr {
        left: Node,
        op: Operator,
        right: Node,
    },
    Cast {
        expr: Node,
        data_type: DataType,
        strict: bool,
    },
    Sort {
        expr: Node,
        options: SortOptions,
    },
    Take {
        expr: Node,
        idx: Node,
    },
    SortBy {
        expr: Node,
        by: Vec<Node>,
        reverse: Vec<bool>,
    },
    Filter {
        input: Node,
        by: Node,
    },
    Agg(AAggExpr),
    Ternary {
        predicate: Node,
        truthy: Node,
        falsy: Node,
    },
    AnonymousFunction {
        input: Vec<Node>,
        function: SpecialEq<Arc<dyn SeriesUdf>>,
        output_type: GetOutput,
        options: FunctionOptions,
    },
    Function {
        input: Vec<Node>,
        function: FunctionExpr,
        options: FunctionOptions,
    },
    Window {
        function: Node,
        partition_by: Vec<Node>,
        order_by: Option<Node>,
        options: WindowOptions,
    },
    Wildcard,
    Slice {
        input: Node,
        offset: Node,
        length: Node,
    },
    Count,
    Nth(i64),
}

Variants

`Explode(Node)`

`Alias(Node, Arc<str>)`

`Column(Arc<str>)`

`Literal(LiteralValue)`

`BinaryExpr`

Fields

left: Node

op: Operator

right: Node

`Cast`

Fields

expr: Node

data_type: DataType

strict: bool

`Sort`

Fields

expr: Node

options: SortOptions

`Take`

Fields

expr: Node

idx: Node

`SortBy`

Fields

expr: Node

by: Vec<Node>

reverse: Vec<bool>

`Filter`

Fields

input: Node

by: Node

`Agg(AAggExpr)`

`Ternary`

Fields

predicate: Node

truthy: Node

falsy: Node

`AnonymousFunction`

Fields

input: Vec<Node>

function: SpecialEq<Arc<dyn SeriesUdf>>

output_type: GetOutput

options: FunctionOptions

`Function`

Fields

input: Vec<Node>

function arguments

function: FunctionExpr

function to apply

options: FunctionOptions

`Window`

Fields

function: Node

partition_by: Vec<Node>

order_by: Option<Node>

options: WindowOptions

`Wildcard`

`Slice`

Fields

input: Node

offset: Node

length: Node

`Count`

`Nth(i64)`

Implementations

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impl AExpr

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pub fn get_type(
 &self,
 schema: &Schema,
 ctxt: Context,
 arena: &Arena<AExpr>
) -> PolarsResult<DataType>

This should be a 1 on 1 copy of the get_type method of Expr until Expr is completely phased out.

Trait Implementations

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impl Clone for AExpr

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fn clone(&self) -> AExpr

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 AExpr

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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 Default for AExpr

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations

impl !RefUnwindSafe for AExpr

impl Send for AExpr

impl Sync for AExpr

impl Unpin for AExpr

impl !UnwindSafe for AExpr

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
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 Twhere
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
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.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

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

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impl<T> ToOwned for Twhere
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 Twhere
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 Twhere
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.

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

fn vzip(self) -> V

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Enum polars_plan::logical_plan::AExpr

Variants

Explode(Node)

Alias(Node, Arc<str>)

Column(Arc<str>)

Literal(LiteralValue)

BinaryExpr

Fields

Cast

Fields

Sort

Fields

Take

Fields

SortBy

Fields

Filter

Fields

Agg(AAggExpr)

Ternary

Fields

AnonymousFunction

Fields

Function

Fields

Window

Fields

Wildcard

Slice

Fields

Count

Nth(i64)

Implementations

impl AExpr

pub fn get_type( &self, schema: &Schema, ctxt: Context, arena: &Arena<AExpr>) -> PolarsResult<DataType>

Trait Implementations

impl Clone for AExpr

fn clone(&self) -> AExpr

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

impl Debug for AExpr

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

impl Default for AExpr

fn default() -> Self

Auto Trait Implementations

impl !RefUnwindSafe for AExpr

impl Send for AExpr

impl Sync for AExpr

impl Unpin for AExpr

impl !UnwindSafe for AExpr

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> DynClone for Twhere T: Clone,

fn __clone_box(&self, Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

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

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

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

unsafe fn drop(ptr: usize)

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

`Explode(Node)`

`Alias(Node, Arc<str>)`

`Column(Arc<str>)`

`Literal(LiteralValue)`

`BinaryExpr`

`Cast`

`Sort`

`Take`

`SortBy`

`Filter`

`Agg(AAggExpr)`

`Ternary`

`AnonymousFunction`

`Function`

`Window`

`Wildcard`

`Slice`

`Count`

`Nth(i64)`

pub fn get_type(
&self,
schema: &Schema,
ctxt: Context,
arena: &Arena<AExpr>
) -> PolarsResult<DataType>

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

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

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

impl<T> DynClone for Twhere
T: Clone,

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

impl<T> ToOwned for Twhere
T: Clone,

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

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

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

impl<T> Ungil for Twhere
T: Send,