Struct datafusion_optimizer::common_subexpr_eliminate::CommonSubexprEliminate

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pub struct CommonSubexprEliminate {}

Expand description

Perform Common Sub-expression Elimination optimization.

Currently only common sub-expressions within one logical plan will be eliminated.

Implementations

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impl CommonSubexprEliminate

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pub fn new() -> Self

Trait Implementations

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impl Default for CommonSubexprEliminate

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fn default() -> Self

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

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impl OptimizerRule for CommonSubexprEliminate

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fn optimize(
 &self,
 plan: &LogicalPlan,
 optimizer_config: &mut OptimizerConfig
) -> Result<LogicalPlan>

Rewrite plan to an optimized form

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fn name(&self) -> &str

A human readable name for this optimizer rule

Auto Trait Implementations

impl RefUnwindSafe for CommonSubexprEliminate

impl Send for CommonSubexprEliminate

impl Sync for CommonSubexprEliminate

impl Unpin for CommonSubexprEliminate

impl UnwindSafe for CommonSubexprEliminate

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> Same<T> for T

type Output = T

Should always be Self

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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_optimizer::common_subexpr_eliminate::CommonSubexprEliminate

Implementations

impl CommonSubexprEliminate

pub fn new() -> Self

Trait Implementations

impl Default for CommonSubexprEliminate

fn default() -> Self

impl OptimizerRule for CommonSubexprEliminate

fn optimize(
    &self,
    plan: &LogicalPlan,
    optimizer_config: &mut OptimizerConfig
) -> Result<LogicalPlan>

fn name(&self) -> &str

Auto Trait Implementations

impl RefUnwindSafe for CommonSubexprEliminate

impl Send for CommonSubexprEliminate

impl Sync for CommonSubexprEliminate

impl Unpin for CommonSubexprEliminate

impl UnwindSafe for CommonSubexprEliminate

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> Same<T> for T

type Output = 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>,

fn vzip(self) -> V

impl<T> Allocation for Twhere
T: RefUnwindSafe + Send + Sync,

Struct datafusion_optimizer::common_subexpr_eliminate::CommonSubexprEliminate

Implementations

impl CommonSubexprEliminate

pub fn new() -> Self

Trait Implementations

impl Default for CommonSubexprEliminate

fn default() -> Self

impl OptimizerRule for CommonSubexprEliminate

fn optimize( &self, plan: &LogicalPlan, optimizer_config: &mut OptimizerConfig) -> Result<LogicalPlan>

fn name(&self) -> &str

Auto Trait Implementations

impl RefUnwindSafe for CommonSubexprEliminate

impl Send for CommonSubexprEliminate

impl Sync for CommonSubexprEliminate

impl Unpin for CommonSubexprEliminate

impl UnwindSafe for CommonSubexprEliminate

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> Same<T> for T

type Output = 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>,

fn vzip(self) -> V

impl<T> Allocation for Twhere T: RefUnwindSafe + Send + Sync,

fn optimize(
&self,
plan: &LogicalPlan,
optimizer_config: &mut OptimizerConfig
) -> Result<LogicalPlan>

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> Allocation for Twhere
T: RefUnwindSafe + Send + Sync,