trait LoweringExt {
    // Required method
    fn restrict(self, join_keys: JoinKeys) -> Self;
}
Expand description

Extension methods for MirRelationExpr required in the HIR ⇒ MIR lowering code.

Required Methods§

source

fn restrict(self, join_keys: JoinKeys) -> Self

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

source§

impl LoweringExt for MirRelationExpr

source§

fn restrict(self, join_keys: JoinKeys) -> Self

Restrict the set of columns of an input to the sequence of JoinKeys.

Implementors§