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StagedScanIOPredicate

polars_io::predicates

Struct StagedScanIOPredicate 

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pub struct StagedScanIOPredicate {
    pub column_predicates: Arc<PlIndexMap<PlSmallStr, ColumnPredicate>>,
    pub rest: Option<Arc<dyn PhysicalIoExpr>>,
}
Expand description

The row predicate split into the conjuncts that read a single column and the rest.

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§column_predicates: Arc<PlIndexMap<PlSmallStr, ColumnPredicate>>§rest: Option<Arc<dyn PhysicalIoExpr>>

The conjuncts that read no or several columns, conjoined.

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impl Clone for StagedScanIOPredicate

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fn clone(&self) -> StagedScanIOPredicate

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn align() -> usize

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fn and<P, B, E>(self, other: P) -> And<T, P>
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Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more
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