Struct polars_plan::logical_plan::TypeCoercionRule

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pub struct TypeCoercionRule {}

Trait Implementations§

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impl OptimizationRule for TypeCoercionRule

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

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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§

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impl UnwindSafe for TypeCoercionRule

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> Pointable for T

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

The alignment of pointer.

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type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

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

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

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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>,

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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.

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

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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

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

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>,