pub fn union(self, other: Self) -> Self {
        MirRelationExpr::Union {
            base: Box::new(self),
            inputs: vec![other],
        }
    }
/// Produces one collection where each row is present with the sum of its frequencies in each input.
Produces one collection where each row is present with the sum of its frequencies in each input.
Produces one collection where each row is present with the sum of its frequencies in each input .
pub fn union(self, other: Self) -> Self {
        MirRelationExpr::Union {
            base: Box::new(self),
            inputs: vec![other],
        }
    }
pub fn union ( self , other : Self ) -> Self { MirRelationExpr :: Union { base : Box :: new ( self ) , inputs : vec ! [ other ] , } }
Produces one collection where each row is present with the sum of its frequencies in each input.
Produces one collection where each row is present with the sum of its frequencies in each input .
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other
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