Struct datafusion_expr::logical_plan::Aggregate

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pub struct Aggregate {
    pub input: Arc<LogicalPlan>,
    pub group_expr: Vec<Expr>,
    pub aggr_expr: Vec<Expr>,
    pub schema: DFSchemaRef,
}

Expand description

Aggregates its input based on a set of grouping and aggregate expressions (e.g. SUM).

Fields

input: Arc<LogicalPlan>

The incoming logical plan

group_expr: Vec<Expr>

Grouping expressions

aggr_expr: Vec<Expr>

Aggregate expressions

schema: DFSchemaRef

The schema description of the aggregate output

Implementations

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impl Aggregate

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pub fn try_new(
 input: Arc<LogicalPlan>,
 group_expr: Vec<Expr>,
 aggr_expr: Vec<Expr>,
 schema: DFSchemaRef
) -> Result<Self>

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pub fn try_from_plan(plan: &LogicalPlan) -> Result<&Aggregate>

Trait Implementations

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impl Clone for Aggregate

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fn clone(&self) -> Aggregate

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

Auto Trait Implementations

impl !RefUnwindSafe for Aggregate

impl Send for Aggregate

impl Sync for Aggregate

impl Unpin for Aggregate

impl !UnwindSafe for Aggregate

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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impl<T> From<T> for T

const: unstable · source

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.

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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.

Struct datafusion_expr::logical_plan::Aggregate

Fields

Implementations

impl Aggregate

pub fn try_new(
    input: Arc<LogicalPlan>,
    group_expr: Vec<Expr>,
    aggr_expr: Vec<Expr>,
    schema: DFSchemaRef
) -> Result<Self>

pub fn try_from_plan(plan: &LogicalPlan) -> Result<&Aggregate>

Trait Implementations

impl Clone for Aggregate

fn clone(&self) -> Aggregate

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

Auto Trait Implementations

impl !RefUnwindSafe for Aggregate

impl Send for Aggregate

impl Sync for Aggregate

impl Unpin for Aggregate

impl !UnwindSafe for Aggregate

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> 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> 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>

Struct datafusion_expr::logical_plan::Aggregate

Fields

Implementations

impl Aggregate

pub fn try_new( input: Arc<LogicalPlan>, group_expr: Vec<Expr>, aggr_expr: Vec<Expr>, schema: DFSchemaRef) -> Result<Self>

pub fn try_from_plan(plan: &LogicalPlan) -> Result<&Aggregate>

Trait Implementations

impl Clone for Aggregate

fn clone(&self) -> Aggregate

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

Auto Trait Implementations

impl !RefUnwindSafe for Aggregate

impl Send for Aggregate

impl Sync for Aggregate

impl Unpin for Aggregate

impl !UnwindSafe for Aggregate

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> 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> 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>

pub fn try_new(
input: Arc<LogicalPlan>,
group_expr: Vec<Expr>,
aggr_expr: Vec<Expr>,
schema: DFSchemaRef
) -> Result<Self>

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, 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>,