Method relation_type

src/sql/src/plan/query.rs:6592–6594

(&self, expr: &HirRelationExpr)

    }

    fn relation_type(&self, expr: &HirRelationExpr) -> SqlRelationType {
        expr.typ(&self.outer_relation_types, &self.scx.param_types.borrow())
    }

    /// Generate a new `QueryContext` appropriate to be used in subqueries of
    /// `self`.