Struct polars_plan::logical_plan::TypeCoercionRule

source · [−]

pub struct TypeCoercionRule {}

Trait Implementations

source

impl OptimizationRule for TypeCoercionRule

source

fn optimize_expr(
 &self,
 expr_arena: &mut Arena<AExpr>,
 expr_node: Node,
 lp_arena: &Arena<ALogicalPlan>,
 lp_node: Node
) -> Option<AExpr>

source

fn optimize_plan(
 &mut self,
 _lp_arena: &mut Arena<ALogicalPlan>,
 _expr_arena: &mut Arena<AExpr>,
 _node: Node
) -> Option<ALogicalPlan>

Optimize (subplan) in LogicalPlan Read more

Auto Trait Implementations

impl RefUnwindSafe for TypeCoercionRule

impl Send for TypeCoercionRule

impl Sync for TypeCoercionRule

impl Unpin for TypeCoercionRule

impl UnwindSafe for TypeCoercionRule

Blanket Implementations

source

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

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

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

source

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.

source

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

source

Struct polars_plan::logical_plan::TypeCoercionRule

Trait Implementations

impl OptimizationRule for TypeCoercionRule

fn optimize_expr(
    &self,
    expr_arena: &mut Arena<AExpr>,
    expr_node: Node,
    lp_arena: &Arena<ALogicalPlan>,
    lp_node: Node
) -> Option<AExpr>

fn optimize_plan(
    &mut self,
    _lp_arena: &mut Arena<ALogicalPlan>,
    _expr_arena: &mut Arena<AExpr>,
    _node: Node
) -> Option<ALogicalPlan>

Auto Trait Implementations

impl RefUnwindSafe for TypeCoercionRule

impl Send for TypeCoercionRule

impl Sync for TypeCoercionRule

impl Unpin for TypeCoercionRule

impl UnwindSafe for TypeCoercionRule

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> 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, 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>,

fn vzip(self) -> V

impl<T> Ungil for Twhere
T: Send,

Struct polars_plan::logical_plan::TypeCoercionRule

Trait Implementations

impl OptimizationRule for TypeCoercionRule

fn optimize_expr( &self, expr_arena: &mut Arena<AExpr>, expr_node: Node, lp_arena: &Arena<ALogicalPlan>, lp_node: Node) -> Option<AExpr>

fn optimize_plan( &mut self, _lp_arena: &mut Arena<ALogicalPlan>, _expr_arena: &mut Arena<AExpr>, _node: Node) -> Option<ALogicalPlan>

Auto Trait Implementations

impl RefUnwindSafe for TypeCoercionRule

impl Send for TypeCoercionRule

impl Sync for TypeCoercionRule

impl Unpin for TypeCoercionRule

impl UnwindSafe for TypeCoercionRule

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> 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, 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>,

fn vzip(self) -> V

impl<T> Ungil for Twhere T: Send,

fn optimize_expr(
&self,
expr_arena: &mut Arena<AExpr>,
expr_node: Node,
lp_arena: &Arena<ALogicalPlan>,
lp_node: Node
) -> Option<AExpr>

fn optimize_plan(
&mut self,
_lp_arena: &mut Arena<ALogicalPlan>,
_expr_arena: &mut Arena<AExpr>,
_node: Node
) -> Option<ALogicalPlan>

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, 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,