Struct polars::prelude::OptState[][src]

pub struct OptState {
    pub projection_pushdown: bool,
    pub predicate_pushdown: bool,
    pub type_coercion: bool,
    pub simplify_expr: bool,
    pub agg_scan_projection: bool,
    pub aggregate_pushdown: bool,
    pub global_string_cache: bool,
    pub join_pruning: bool,
}

State of the allowed optimizations

Fields

projection_pushdown: boolpredicate_pushdown: booltype_coercion: boolsimplify_expr: boolagg_scan_projection: bool

Make sure that all needed columns are scannedn

aggregate_pushdown: boolglobal_string_cache: booljoin_pruning: bool

Trait Implementations

impl Clone for OptState[src]

impl Copy for OptState[src]

impl Default for OptState[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T, U> Cast<U> for T where
    U: FromCast<T>, 

impl<T> From<T> for T[src]

impl<T> FromCast<T> for T

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> Pointable for T

type Init = T

The type for initializers.

impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

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

The type returned in the event of a conversion error.

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