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use std::{path::Path, time::Duration};
use bonsaidb::{
client::{url::Url, Client},
core::{
async_trait::async_trait,
connection::{AccessPolicy, Connection, StorageConnection},
define_basic_unique_mapped_view,
document::CollectionDocument,
schema::{
view::map::Mappings, Collection, CollectionName, CollectionViewSchema,
DefaultSerialization, DefaultViewSerialization, InsertError, Name, NamedCollection,
ReduceResult, Schema, SchemaName, Schematic, SerializedCollection, View, ViewMapResult,
ViewMappedValue,
},
transaction::{self, Transaction},
Error,
local::config::Builder,
server::{DefaultPermissions, Server, ServerConfiguration},
AnyDatabase,
};
use serde::{Deserialize, Serialize};
use crate::{
execute::{Backend, BackendOperator, Measurements, Metric, Operator},
model::{Cart, Category, Customer, Order, Product, ProductReview},
plan::{
AddProductToCart, Checkout, CreateCart, FindProduct, Load, LookupProduct, OperationResult,
ReviewProduct,
pub enum Bonsai {
Local,
Quic,
WebSockets,
}
impl Bonsai {
pub fn label(&self) -> &'static str {
match self {
Self::Local => "bonsaidb-local",
Self::Quic => "bonsaidb-quic",
Self::WebSockets => "bonsaidb-ws",
pub struct BonsaiBackend {
server: Server,
kind: Bonsai,
pub struct BonsaiOperator {
label: &'static str,
database: AnyDatabase,
#[derive(Debug)]
pub enum Commerce {}
#[async_trait]
impl Backend for BonsaiBackend {
type Operator = BonsaiOperator;
type Config = Bonsai;
fn label(&self) -> &'static str {
self.kind.label()
async fn new(config: Self::Config) -> Self {
let path = Path::new("commerce-benchmarks.bonsaidb");
if path.exists() {
std::fs::remove_dir_all(path).unwrap();
let server = Server::open(
ServerConfiguration::new(path)
.default_permissions(DefaultPermissions::AllowAll)
.with_schema::<Commerce>()
.unwrap(),
)
.await
.unwrap();
server.install_self_signed_certificate(false).await.unwrap();
server
.create_database::<Commerce>("commerce", false)
match config {
Bonsai::Quic => {
let server = server.clone();
tokio::spawn(async move {
server.listen_on(7022).await.unwrap();
});
Bonsai::WebSockets => {
.listen_for_websockets_on("0.0.0.0:7023", false)
Bonsai::Local => {}
// Allow the server time to start listening
tokio::time::sleep(Duration::from_millis(1000)).await;
BonsaiBackend {
server,
kind: config,
async fn new_operator_async(&self) -> Self::Operator {
let database = match self.kind {
Bonsai::Local => {
AnyDatabase::Local(self.server.database::<Commerce>("commerce").await.unwrap())
let client = Client::build(Url::parse("bonsaidb://localhost:7022").unwrap())
.with_certificate(
self.server
.certificate_chain()
.unwrap()
.into_end_entity_certificate(),
.finish()
AnyDatabase::Networked(client.database::<Commerce>("commerce").await.unwrap())
let client = Client::build(Url::parse("ws://localhost:7023").unwrap())
BonsaiOperator {
database,
label: self.label(),
impl BackendOperator for BonsaiOperator {}
impl Operator<Load> for BonsaiOperator {
async fn operate(
&mut self,
operation: &Load,
_results: &[OperationResult],
measurements: &Measurements,
) -> OperationResult {
let measurement = measurements.begin(self.label, Metric::Load);
let mut tx = Transaction::default();
for (id, category) in &operation.initial_data.categories {
tx.push(
transaction::Operation::insert_serialized::<Category>(
Some(u64::from(*id)),
category,
);
for (id, product) in &operation.initial_data.products {
transaction::Operation::insert_serialized::<Product>(Some(u64::from(*id)), product)
for (id, customer) in &operation.initial_data.customers {
transaction::Operation::insert_serialized::<Customer>(
customer,
for (id, order) in &operation.initial_data.orders {
transaction::Operation::insert_serialized::<Order>(Some(u64::from(*id)), order)
for review in &operation.initial_data.reviews {
transaction::Operation::insert_serialized::<ProductReview>(None, review).unwrap(),
self.database.apply_transaction(tx).await.unwrap();
measurement.finish();
OperationResult::Ok
impl Operator<FindProduct> for BonsaiOperator {
operation: &FindProduct,
let measurement = measurements.begin(self.label, Metric::FindProduct);
let doc = Product::load(&operation.name, &self.database)
let rating = self
.database
.view::<ProductReviewsByProduct>()
.with_key(doc.id as u32)
.with_access_policy(AccessPolicy::NoUpdate)
.reduce()
OperationResult::Product {
id: doc.id as u32,
product: doc.contents,
rating: rating.average(),
impl Operator<LookupProduct> for BonsaiOperator {
operation: &LookupProduct,
let measurement = measurements.begin(self.label, Metric::LookupProduct);
let doc = Product::get(operation.id as u64, &self.database)
impl Operator<CreateCart> for BonsaiOperator {
_operation: &CreateCart,
let measurement = measurements.begin(self.label, Metric::CreateCart);
let cart = Cart::default().push_into(&self.database).await.unwrap();
OperationResult::Cart { id: cart.id as u32 }
impl Operator<AddProductToCart> for BonsaiOperator {
operation: &AddProductToCart,
results: &[OperationResult],
let cart = match &results[operation.cart.0] {
OperationResult::Cart { id } => *id as u64,
_ => unreachable!("Invalid operation result"),
let product = match &results[operation.product.0] {
OperationResult::Product { id, .. } => *id,
let measurement = measurements.begin(self.label, Metric::AddProductToCart);
let mut cart = Cart::get(cart, &self.database).await.unwrap().unwrap();
cart.contents.product_ids.push(product);
cart.update(&self.database).await.unwrap();
OperationResult::CartProduct { id: product }
impl Operator<Checkout> for BonsaiOperator {
operation: &Checkout,
let measurement = measurements.begin(self.label, Metric::Checkout);
let cart = Cart::get(cart, &self.database).await.unwrap().unwrap();
cart.delete(&self.database).await.unwrap();
Order {
customer_id: operation.customer_id,
product_ids: cart.contents.product_ids,
.push_into(&self.database)
impl Operator<ReviewProduct> for BonsaiOperator {
operation: &ReviewProduct,
let product_id = match &results[operation.product_id.0] {
OperationResult::CartProduct { id, .. } => *id,
other => unreachable!("Invalid operation result {:?}", other),
let measurement = measurements.begin(self.label, Metric::RateProduct);
let review = ProductReview {
product_id,
review: operation.review.clone(),
rating: operation.rating,
match review.push_into(&self.database).await {
Ok(_) => {}
Err(InsertError {
error:
bonsaidb::core::Error::UniqueKeyViolation {
existing_document, ..
contents,
}) => {
CollectionDocument::<ProductReview> {
header: existing_document,
.update(&self.database)
other => {
other.unwrap();
// Force the view to update.
self.database
.with_key(0)
impl Schema for Commerce {
fn schema_name() -> SchemaName {
SchemaName::new("benchmarks", "commerce")
fn define_collections(schema: &mut Schematic) -> Result<(), Error> {
schema.define_collection::<Product>()?;
schema.define_collection::<Category>()?;
schema.define_collection::<Customer>()?;
schema.define_collection::<Order>()?;
schema.define_collection::<Cart>()?;
schema.define_collection::<ProductReview>()?;
Ok(())
impl Collection for Product {
fn collection_name() -> CollectionName {
CollectionName::new("benchmarks", "products")
fn define_views(schema: &mut Schematic) -> Result<(), Error> {
schema.define_view(ProductsByName)?;
schema.define_view(ProductsByCategoryId)?;
impl DefaultSerialization for Product {}
define_basic_unique_mapped_view!(
ProductsByName,
Product,
1,
"by-name",
String,
(),
|document: CollectionDocument<Product>| {
document.header.emit_key(document.contents.name.clone())
#[derive(Debug, Clone)]
pub struct ProductsByCategoryId;
impl View for ProductsByCategoryId {
type Collection = Product;
type Key = u32;
type Value = u32;
fn name(&self) -> Name {
Name::new("by-category")
impl CollectionViewSchema for ProductsByCategoryId {
type View = Self;
fn map(
&self,
document: CollectionDocument<<Self::View as View>::Collection>,
) -> ViewMapResult<Self::View> {
let mut mappings = Mappings::default();
for &id in &document.contents.category_ids {
mappings = mappings.and(document.emit_key_and_value(id, 1));
Ok(mappings)
impl DefaultViewSerialization for ProductsByCategoryId {}
impl NamedCollection for Product {
type ByNameView = ProductsByName;
impl Collection for ProductReview {
CollectionName::new("benchmarks", "reviews")
schema.define_view(ProductReviewsByProduct)?;
impl DefaultSerialization for ProductReview {}
pub struct ProductReviewsByProduct;
impl View for ProductReviewsByProduct {
type Collection = ProductReview;
type Value = ProductRatings;
Name::new("by-product")
impl CollectionViewSchema for ProductReviewsByProduct {
document: CollectionDocument<<Self as View>::Collection>,
Ok(document.emit_key_and_value(
document.contents.product_id,
ProductRatings {
total_score: document.contents.rating as u32,
ratings: 1,
))
fn reduce(
mappings: &[ViewMappedValue<Self::View>],
_rereduce: bool,
) -> ReduceResult<Self::View> {
Ok(mappings
.iter()
.map(|mapping| mapping.value.clone())
.reduce(|a, b| ProductRatings {
total_score: a.total_score + b.total_score,
ratings: a.ratings + b.ratings,
})
.unwrap_or_default())
impl DefaultViewSerialization for ProductReviewsByProduct {}
#[derive(Debug, Serialize, Deserialize, Default, Clone)]
pub struct ProductRatings {
pub total_score: u32,
pub ratings: u32,
impl ProductRatings {
pub fn average(&self) -> Option<f32> {
if self.ratings > 0 {
Some(self.total_score as f32 / self.ratings as f32)
} else {
None
impl Collection for Category {
CollectionName::new("benchmarks", "categories")
fn define_views(_schema: &mut Schematic) -> Result<(), Error> {
impl DefaultSerialization for Category {}
impl Collection for Customer {
CollectionName::new("benchmarks", "customers")
impl DefaultSerialization for Customer {}
impl Collection for Order {
CollectionName::new("benchmarks", "orders")
impl DefaultSerialization for Order {}
impl Collection for Cart {
CollectionName::new("benchmarks", "carts")
impl DefaultSerialization for Cart {}