Enum RowCompareKind 

pub enum RowCompareKind {
    Less,
    LessEqual,
    GreaterEqual,
    Greater,
}

The comparison of a RowCompare, as rctype.

Variants

Less

LessEqual

GreaterEqual

Greater

Implementations

impl RowCompareKind

pub fn of_strategy(strategy: u32) -> Option<RowCompareKind>

The kind of a btree strategy number, or None for = and the numbers that are not a strategy.

pub fn test(self, order: i32) -> bool

The result of the comparison for the result of a btree comparison function: below 0, 0 or above 0.

pub fn name(self) -> &'static str

The name of the kind in the text of a stored expression.

pub fn of_name(name: &str) -> Option<RowCompareKind>

The kind with this name, as RowCompareKind::name gives it.

Trait Implementations

impl Clone for RowCompareKind

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RowCompareKind

impl Debug for RowCompareKind

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

Formats the value using the given formatter.

impl Eq for RowCompareKind

impl PartialEq for RowCompareKind

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for RowCompareKind