Enum IterationStrategy

enum IterationStrategy {
    SlicesIterator,
    IndexIterator,
    Indices(Vec<usize>),
    Slices(Vec<(usize, usize)>),
    All,
    None,
}

The iteration strategy used to evaluate FilterPredicate

Variants

SlicesIterator

A lazily evaluated iterator of ranges

IndexIterator

A lazily evaluated iterator of indices

Indices(Vec<usize>)

A precomputed list of indices

Slices(Vec<(usize, usize)>)

A precomputed array of ranges

All

Select all rows

None

Select no rows

Implementations

impl IterationStrategy

fn default_strategy(filter_length: usize, filter_count: usize) -> Self

The default IterationStrategy for a filter of length filter_length and selecting filter_count rows

Trait Implementations

impl Debug for IterationStrategy

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.