Enum UnionKind 

pub enum UnionKind {
    Distinct,
    All,
    Intersect,
    IntersectAll,
    Except,
    ExceptAll,
}

Variants

Distinct

UNION — dedupes the combined set.

All

UNION ALL — concatenates without dedup.

Intersect

v7.37.17 (17.6 siblings) — INTERSECT: distinct rows present on both sides.

IntersectAll

INTERSECT ALL — multiset intersection (min per-row count).

Except

EXCEPT — distinct left rows absent from the right.

ExceptAll

EXCEPT ALL — multiset subtraction.

Trait Implementations

impl Clone for UnionKind

fn clone(&self) -> UnionKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for UnionKind

impl Debug for UnionKind

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

Formats the value using the given formatter.

impl Eq for UnionKind

impl PartialEq for UnionKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for UnionKind