ColumnPredicateExpr

polars_io::predicates

Struct ColumnPredicateExpr 

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pub struct ColumnPredicateExpr { /* private fields */ }

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impl ColumnPredicateExpr

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pub fn new( column_name: PlSmallStr, dtype: DataType, expr: Arc<dyn PhysicalIoExpr>, specialized: Option<SpecializedColumnPredicate>, ) -> Self

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impl Clone for ColumnPredicateExpr

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fn clone(&self) -> ColumnPredicateExpr

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl ParquetColumnExpr for ColumnPredicateExpr

Available on crate feature parquet only.
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fn evaluate_mut(&self, values: &dyn Array, bm: &mut BitmapBuilder)

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fn evaluate_null(&self) -> bool

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fn as_specialized(&self) -> Option<&SpecializedParquetColumnExpr>

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fn evaluate(&self, values: &(dyn Array + 'static)) -> Bitmap

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impl<T> Any for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn align() -> usize

The alignment necessary for the key. Must return a power of two.
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unsafe fn init(&self, ptr: *mut u8)

Initialize the key in the given memory location. Read more
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unsafe fn get<'a>(ptr: *const u8) -> &'a T

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Drop the key in place. Read more
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