Function arrow::compute::kernels::boolean::is_null [−][src]
pub fn is_null(input: &dyn Array) -> Result<BooleanArray>
Expand description
Returns a non-null BooleanArray with whether each value of the array is null.
Error
This function never errors.
Example
use arrow::array::BooleanArray; use arrow::compute::kernels::boolean::is_null; let a = BooleanArray::from(vec![Some(false), Some(true), None]); let a_is_null = is_null(&a)?; assert_eq!(a_is_null, BooleanArray::from(vec![false, false, true]));