Enum GroupingSet 

pub enum GroupingSet {
    Empty,
    Simple(Vec<usize>),
    Rollup(Vec<GroupingSet>),
    Cube(Vec<GroupingSet>),
    Sets(Vec<GroupingSet>),
}

A grouping set of GROUP BY, as GroupingSet after transformGroupClause. A simple set names its items by the index of their targets in crate::Query::targets.

Variants

Empty

().

Simple(Vec<usize>)

A list of items.

Rollup(Vec<GroupingSet>)

ROLLUP, of simple sets.

Cube(Vec<GroupingSet>)

CUBE, of simple sets.

Sets(Vec<GroupingSet>)

GROUPING SETS, of sets of the other kinds.

Trait Implementations

impl Clone for GroupingSet

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GroupingSet

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

Formats the value using the given formatter.

impl Eq for GroupingSet

impl PartialEq for GroupingSet

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for GroupingSet