Method associativity

prqlc/prqlc/src/sql/gen_expr.rs:1085–1091

(&self)

        }
    }
    fn associativity(&self) -> Associativity {
        match self {
            sql_ast::Expr::BinaryOp { op, .. } => op.associativity(),
            sql_ast::Expr::UnaryOp { op, .. } => op.associativity(),
            _ => Associativity::Both,
        }
    }
}

impl SQLExpression for BinaryOperator {