Trait polars::chunked_array::ops::ChunkCompare [−][src]
pub trait ChunkCompare<Rhs> { fn eq_missing(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn neq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn gt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn gt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn lt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; fn lt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>; }
Expand description
Compare Series
and ChunkedArray’s and get a boolean
mask that
can be used to filter rows.
Example
use polars_core::prelude::*; fn filter_all_ones(df: &DataFrame) -> Result<DataFrame> { let mask = df .column("column_a")? .eq(1); df.filter(&mask) }
Required methods
fn eq_missing(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn eq_missing(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Check for equality and regard missing values as equal.
fn eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Check for equality.
fn neq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn neq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Check for inequality.
fn gt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn gt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Greater than comparison.
fn gt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn gt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Greater than or equal comparison.
fn lt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn lt(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Less than comparison.
fn lt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
fn lt_eq(&self, rhs: Rhs) -> ChunkedArray<BooleanType>
Less than or equal comparison
Implementors
impl<'_, T> ChunkCompare<&'_ ChunkedArray<T>> for ChunkedArray<T> where
T: PolarsNumericType,
<T as ArrowPrimitiveType>::Native: NumComp,
impl<T, Rhs> ChunkCompare<Rhs> for ChunkedArray<T> where
T: PolarsNumericType,
Rhs: NumComp + ToPrimitive,
<T as ArrowPrimitiveType>::Native: NumCast,