Enum ZoneColPred 

pub enum ZoneColPred<'a> {
    Eq(&'a Value),
    Gt(&'a Value),
    Gte(&'a Value),
    Lt(&'a Value),
    Lte(&'a Value),
}

A predicate on a single column that can be checked against a ColZone.

Variants

Eq(&'a Value)

Gt(&'a Value)

Gte(&'a Value)

Lt(&'a Value)

Lte(&'a Value)

Implementations

impl<'a> ZoneColPred<'a>

pub fn can_skip(&self, zone: &ColZone) -> bool

Returns true when the entire segment can be skipped (no row can match).

Trait Implementations

impl<'a> Clone for ZoneColPred<'a>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for ZoneColPred<'a>

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

Formats the value using the given formatter.