MeiliSearch/meilisearch-core/src/database.rs
2020-06-30 11:01:07 +02:00

1235 lines
43 KiB
Rust

use std::collections::hash_map::{Entry, HashMap};
use std::fs::File;
use std::path::Path;
use std::sync::{Arc, RwLock};
use std::{fs, thread};
use chrono::{DateTime, Utc};
use crossbeam_channel::{Receiver, Sender};
use heed::types::{Str, Unit, SerdeBincode};
use heed::CompactionOption;
use log::{debug, error};
use meilisearch_schema::Schema;
use crate::{store, update, Index, MResult, Error};
pub type BoxUpdateFn = Box<dyn Fn(&str, update::ProcessedUpdateResult) + Send + Sync + 'static>;
type ArcSwapFn = arc_swap::ArcSwapOption<BoxUpdateFn>;
type SerdeDatetime = SerdeBincode<DateTime<Utc>>;
pub type MainWriter<'a> = heed::RwTxn<'a, MainT>;
pub type MainReader = heed::RoTxn<MainT>;
pub type UpdateWriter<'a> = heed::RwTxn<'a, UpdateT>;
pub type UpdateReader = heed::RoTxn<UpdateT>;
const UNHEALTHY_KEY: &str = "_is_unhealthy";
const LAST_UPDATE_KEY: &str = "last-update";
pub struct MainT;
pub struct UpdateT;
pub struct Database {
env: heed::Env,
update_env: heed::Env,
common_store: heed::PolyDatabase,
indexes_store: heed::Database<Str, Unit>,
indexes: RwLock<HashMap<String, (Index, thread::JoinHandle<MResult<()>>)>>,
update_fn: Arc<ArcSwapFn>,
}
pub struct DatabaseOptions {
pub main_map_size: usize,
pub update_map_size: usize,
}
impl Default for DatabaseOptions {
fn default() -> DatabaseOptions {
DatabaseOptions {
main_map_size: 100 * 1024 * 1024 * 1024, //100Gb
update_map_size: 100 * 1024 * 1024 * 1024, //100Gb
}
}
}
macro_rules! r#break_try {
($expr:expr, $msg:tt) => {
match $expr {
core::result::Result::Ok(val) => val,
core::result::Result::Err(err) => {
log::error!(concat!($msg, ": {}"), err);
break;
}
}
};
}
pub enum UpdateEvent {
NewUpdate,
MustClear,
}
pub type UpdateEvents = Receiver<UpdateEvent>;
pub type UpdateEventsEmitter = Sender<UpdateEvent>;
fn update_awaiter(
receiver: UpdateEvents,
env: heed::Env,
update_env: heed::Env,
index_uid: &str,
update_fn: Arc<ArcSwapFn>,
index: Index,
) -> MResult<()> {
for event in receiver {
// if we receive a *MustClear* event, clear the index and break the loop
if let UpdateEvent::MustClear = event {
let mut writer = env.typed_write_txn::<MainT>()?;
let mut update_writer = update_env.typed_write_txn::<UpdateT>()?;
store::clear(&mut writer, &mut update_writer, &index)?;
writer.commit()?;
update_writer.commit()?;
debug!("store {} cleared", index_uid);
break
}
loop {
// We instantiate a *write* transaction to *block* the thread
// until the *other*, notifiying, thread commits
let result = update_env.typed_write_txn::<UpdateT>();
let update_reader = break_try!(result, "LMDB read transaction (update) begin failed");
// retrieve the update that needs to be processed
let result = index.updates.first_update(&update_reader);
let (update_id, update) = match break_try!(result, "pop front update failed") {
Some(value) => value,
None => {
debug!("no more updates");
break;
}
};
// do not keep the reader for too long
break_try!(update_reader.abort(), "aborting update transaction failed");
// instantiate a transaction to touch to the main env
let result = env.typed_write_txn::<MainT>();
let mut main_writer = break_try!(result, "LMDB nested write transaction failed");
// try to apply the update to the database using the main transaction
let result = update::update_task(&mut main_writer, &index, update_id, update);
let status = break_try!(result, "update task failed");
// commit the main transaction if the update was successful, abort it otherwise
if status.error.is_none() {
break_try!(main_writer.commit(), "commit nested transaction failed");
} else {
break_try!(main_writer.abort(), "abborting nested transaction failed");
}
// now that the update has been processed we can instantiate
// a transaction to move the result to the updates-results store
let result = update_env.typed_write_txn::<UpdateT>();
let mut update_writer = break_try!(result, "LMDB write transaction begin failed");
// definitely remove the update from the updates store
index.updates.del_update(&mut update_writer, update_id)?;
// write the result of the updates-results store
let updates_results = index.updates_results;
let result = updates_results.put_update_result(&mut update_writer, update_id, &status);
// always commit the main transaction, even if the update was unsuccessful
break_try!(result, "update result store commit failed");
break_try!(update_writer.commit(), "update transaction commit failed");
// call the user callback when the update and the result are written consistently
if let Some(ref callback) = *update_fn.load() {
(callback)(index_uid, status);
}
}
}
debug!("update loop system stopped");
Ok(())
}
impl Database {
pub fn open_or_create(path: impl AsRef<Path>, options: DatabaseOptions) -> MResult<Database> {
let main_path = path.as_ref().join("main");
let update_path = path.as_ref().join("update");
fs::create_dir_all(&main_path)?;
let env = heed::EnvOpenOptions::new()
.map_size(options.main_map_size)
.max_dbs(3000)
.open(main_path)?;
fs::create_dir_all(&update_path)?;
let update_env = heed::EnvOpenOptions::new()
.map_size(options.update_map_size)
.max_dbs(3000)
.open(update_path)?;
let common_store = env.create_poly_database(Some("common"))?;
let indexes_store = env.create_database::<Str, Unit>(Some("indexes"))?;
let update_fn = Arc::new(ArcSwapFn::empty());
// list all indexes that needs to be opened
let mut must_open = Vec::new();
let reader = env.read_txn()?;
for result in indexes_store.iter(&reader)? {
let (index_uid, _) = result?;
must_open.push(index_uid.to_owned());
}
reader.abort()?;
// open the previously aggregated indexes
let mut indexes = HashMap::new();
for index_uid in must_open {
let (sender, receiver) = crossbeam_channel::unbounded();
let index = match store::open(&env, &update_env, &index_uid, sender.clone())? {
Some(index) => index,
None => {
log::warn!(
"the index {} doesn't exist or has not all the databases",
index_uid
);
continue;
}
};
let env_clone = env.clone();
let update_env_clone = update_env.clone();
let index_clone = index.clone();
let name_clone = index_uid.clone();
let update_fn_clone = update_fn.clone();
let handle = thread::spawn(move || {
update_awaiter(
receiver,
env_clone,
update_env_clone,
&name_clone,
update_fn_clone,
index_clone,
)
});
// send an update notification to make sure that
// possible pre-boot updates are consumed
sender.send(UpdateEvent::NewUpdate).unwrap();
let result = indexes.insert(index_uid, (index, handle));
assert!(
result.is_none(),
"The index should not have been already open"
);
}
Ok(Database {
env,
update_env,
common_store,
indexes_store,
indexes: RwLock::new(indexes),
update_fn,
})
}
pub fn open_index(&self, name: impl AsRef<str>) -> Option<Index> {
let indexes_lock = self.indexes.read().unwrap();
match indexes_lock.get(name.as_ref()) {
Some((index, ..)) => Some(index.clone()),
None => None,
}
}
pub fn is_indexing(&self, reader: &UpdateReader, index: &str) -> MResult<Option<bool>> {
match self.open_index(&index) {
Some(index) => index.current_update_id(&reader).map(|u| Some(u.is_some())),
None => Ok(None),
}
}
pub fn create_index(&self, name: impl AsRef<str>) -> MResult<Index> {
let name = name.as_ref();
let mut indexes_lock = self.indexes.write().unwrap();
match indexes_lock.entry(name.to_owned()) {
Entry::Occupied(_) => Err(crate::Error::IndexAlreadyExists),
Entry::Vacant(entry) => {
let (sender, receiver) = crossbeam_channel::unbounded();
let index = store::create(&self.env, &self.update_env, name, sender)?;
let mut writer = self.env.typed_write_txn::<MainT>()?;
self.indexes_store.put(&mut writer, name, &())?;
index.main.put_name(&mut writer, name)?;
index.main.put_created_at(&mut writer)?;
index.main.put_updated_at(&mut writer)?;
index.main.put_schema(&mut writer, &Schema::new())?;
let env_clone = self.env.clone();
let update_env_clone = self.update_env.clone();
let index_clone = index.clone();
let name_clone = name.to_owned();
let update_fn_clone = self.update_fn.clone();
let handle = thread::spawn(move || {
update_awaiter(
receiver,
env_clone,
update_env_clone,
&name_clone,
update_fn_clone,
index_clone,
)
});
writer.commit()?;
entry.insert((index.clone(), handle));
Ok(index)
}
}
}
pub fn delete_index(&self, name: impl AsRef<str>) -> MResult<bool> {
let name = name.as_ref();
let mut indexes_lock = self.indexes.write().unwrap();
match indexes_lock.remove_entry(name) {
Some((name, (index, handle))) => {
// remove the index name from the list of indexes
// and clear all the LMDB dbi
let mut writer = self.env.write_txn()?;
self.indexes_store.delete(&mut writer, &name)?;
writer.commit()?;
// send a stop event to the update loop of the index
index.updates_notifier.send(UpdateEvent::MustClear).unwrap();
drop(indexes_lock);
// join the update loop thread to ensure it is stopped
handle.join().unwrap()?;
Ok(true)
}
None => Ok(false),
}
}
pub fn set_update_callback(&self, update_fn: BoxUpdateFn) {
let update_fn = Some(Arc::new(update_fn));
self.update_fn.swap(update_fn);
}
pub fn unset_update_callback(&self) {
self.update_fn.swap(None);
}
pub fn main_read_txn(&self) -> MResult<MainReader> {
Ok(self.env.typed_read_txn::<MainT>()?)
}
pub(crate) fn main_write_txn(&self) -> MResult<MainWriter> {
Ok(self.env.typed_write_txn::<MainT>()?)
}
/// Calls f providing it with a writer to the main database. After f is called, makes sure the
/// transaction is commited. Returns whatever result f returns.
pub fn main_write<F, R, E>(&self, f: F) -> Result<R, E>
where
F: FnOnce(&mut MainWriter) -> Result<R, E>,
E: From<Error>,
{
let mut writer = self.main_write_txn()?;
let result = f(&mut writer)?;
writer.commit().map_err(Error::Heed)?;
Ok(result)
}
/// provides a context with a reader to the main database. experimental.
pub fn main_read<F, R, E>(&self, f: F) -> Result<R, E>
where
F: FnOnce(&MainReader) -> Result<R, E>,
E: From<Error>,
{
let reader = self.main_read_txn()?;
let result = f(&reader)?;
reader.abort().map_err(Error::Heed)?;
Ok(result)
}
pub fn update_read_txn(&self) -> MResult<UpdateReader> {
Ok(self.update_env.typed_read_txn::<UpdateT>()?)
}
pub(crate) fn update_write_txn(&self) -> MResult<heed::RwTxn<UpdateT>> {
Ok(self.update_env.typed_write_txn::<UpdateT>()?)
}
/// Calls f providing it with a writer to the main database. After f is called, makes sure the
/// transaction is commited. Returns whatever result f returns.
pub fn update_write<F, R, E>(&self, f: F) -> Result<R, E>
where
F: FnOnce(&mut UpdateWriter) -> Result<R, E>,
E: From<Error>,
{
let mut writer = self.update_write_txn()?;
let result = f(&mut writer)?;
writer.commit().map_err(Error::Heed)?;
Ok(result)
}
/// provides a context with a reader to the update database. experimental.
pub fn update_read<F, R, E>(&self, f: F) -> Result<R, E>
where
F: FnOnce(&UpdateReader) -> Result<R, E>,
E: From<Error>,
{
let reader = self.update_read_txn()?;
let result = f(&reader)?;
reader.abort().map_err(Error::Heed)?;
Ok(result)
}
pub fn copy_and_compact_to_path<P: AsRef<Path>>(&self, path: P) -> MResult<(File, File)> {
let path = path.as_ref();
let env_path = path.join("main");
let env_update_path = path.join("update");
fs::create_dir(&env_path)?;
fs::create_dir(&env_update_path)?;
let env_path = env_path.join("data.mdb");
let env_file = self.env.copy_to_path(&env_path, CompactionOption::Enabled)?;
let env_update_path = env_update_path.join("data.mdb");
match self.update_env.copy_to_path(env_update_path, CompactionOption::Enabled) {
Ok(update_env_file) => Ok((env_file, update_env_file)),
Err(e) => {
fs::remove_file(env_path)?;
Err(e.into())
},
}
}
pub fn indexes_uids(&self) -> Vec<String> {
let indexes = self.indexes.read().unwrap();
indexes.keys().cloned().collect()
}
pub(crate) fn common_store(&self) -> heed::PolyDatabase {
self.common_store
}
pub fn last_update(&self, reader: &heed::RoTxn<MainT>) -> MResult<Option<DateTime<Utc>>> {
match self.common_store()
.get::<_, Str, SerdeDatetime>(reader, LAST_UPDATE_KEY)? {
Some(datetime) => Ok(Some(datetime)),
None => Ok(None),
}
}
pub fn set_last_update(&self, writer: &mut heed::RwTxn<MainT>, time: &DateTime<Utc>) -> MResult<()> {
self.common_store()
.put::<_, Str, SerdeDatetime>(writer, LAST_UPDATE_KEY, time)?;
Ok(())
}
pub fn set_healthy(&self, writer: &mut heed::RwTxn<MainT>) -> MResult<()> {
let common_store = self.common_store();
common_store.delete::<_, Str>(writer, UNHEALTHY_KEY)?;
Ok(())
}
pub fn set_unhealthy(&self, writer: &mut heed::RwTxn<MainT>) -> MResult<()> {
let common_store = self.common_store();
common_store.put::<_, Str, Unit>(writer, UNHEALTHY_KEY, &())?;
Ok(())
}
pub fn get_health(&self, reader: &heed::RoTxn<MainT>) -> MResult<Option<()>> {
let common_store = self.common_store();
Ok(common_store.get::<_, Str, Unit>(&reader, UNHEALTHY_KEY)?)
}
pub fn compute_stats(&self, writer: &mut MainWriter, index_uid: &str) -> MResult<()> {
let index = match self.open_index(&index_uid) {
Some(index) => index,
None => {
error!("Impossible to retrieve index {}", index_uid);
return Ok(());
}
};
let schema = match index.main.schema(&writer)? {
Some(schema) => schema,
None => return Ok(()),
};
let all_documents_fields = index
.documents_fields_counts
.all_documents_fields_counts(&writer)?;
// count fields frequencies
let mut fields_frequency = HashMap::<_, usize>::new();
for result in all_documents_fields {
let (_, attr, _) = result?;
if let Some(field_id) = schema.indexed_pos_to_field_id(attr) {
*fields_frequency.entry(field_id).or_default() += 1;
}
}
// convert attributes to their names
let frequency: HashMap<_, _> = fields_frequency
.into_iter()
.filter_map(|(a, c)| schema.name(a).map(|name| (name.to_string(), c)))
.collect();
index
.main
.put_fields_distribution(writer, &frequency)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::bucket_sort::SortResult;
use crate::criterion::{self, CriteriaBuilder};
use crate::update::{ProcessedUpdateResult, UpdateStatus};
use crate::settings::Settings;
use crate::{Document, DocumentId};
use serde::de::IgnoredAny;
use std::sync::mpsc;
#[test]
fn valid_updates() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut update_writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut update_writer, settings).unwrap();
update_writer.commit().unwrap();
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut update_writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut update_writer).unwrap();
update_writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
}
#[test]
fn invalid_updates() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut update_writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut update_writer, settings).unwrap();
update_writer.commit().unwrap();
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
let doc2 = serde_json::json!({
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut update_writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut update_writer).unwrap();
update_writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Failed { content }) if content.error.is_some());
}
#[test]
fn ignored_words_too_long() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name"],
"displayedAttributes": ["name"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut update_writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut update_writer, settings).unwrap();
update_writer.commit().unwrap();
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "s̷̡̢̡̧̺̜̞͕͉͉͕̜͔̟̼̥̝͍̟̖͔͔̪͉̲̹̝̣̖͎̞̤̥͓͎̭̩͕̙̩̿̀̋̅̈́̌́̏̍̄̽͂̆̾̀̿̕̚̚͜͠͠ͅͅļ̵̨̨̨̰̦̻̳̖̳͚̬̫͚̦͖͈̲̫̣̩̥̻̙̦̱̼̠̖̻̼̘̖͉̪̜̠̙͖̙̩͔̖̯̩̲̿̽͋̔̿̍̓͂̍̿͊͆̃͗̔̎͐͌̾̆͗́̆̒̔̾̅̚̚͜͜ͅͅī̵̛̦̅̔̓͂͌̾́͂͛̎̋͐͆̽̂̋̋́̾̀̉̓̏̽́̑̀͒̇͋͛̈́̃̉̏͊̌̄̽̿̏̇͘̕̚̕p̶̧̛̛̖̯̗͕̝̗̭̱͙̖̗̟̟̐͆̊̂͐̋̓̂̈́̓͊̆͌̾̾͐͋͗͌̆̿̅͆̈́̈́̉͋̍͊͗̌̓̅̈̎̇̃̎̈́̉̐̋͑̃͘̕͘d̴̢̨̛͕̘̯͖̭̮̝̝̐̊̈̅̐̀͒̀́̈́̀͌̽͛͆͑̀̽̿͛̃̋̇̎̀́̂́͘͠͝ǫ̵̨̛̮̩̘͚̬̯̖̱͍̼͑͑̓̐́̑̿̈́̔͌̂̄͐͝ģ̶̧̜͇̣̭̺̪̺̖̻͖̮̭̣̙̻͒͊͗̓̓͒̀̀ͅ",
});
additions.update_document(doc1);
let mut update_writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut update_writer).unwrap();
update_writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
}
#[test]
fn add_schema_attributes_at_end() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut update_writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut update_writer, settings).unwrap();
update_writer.commit().unwrap();
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut update_writer = db.update_write_txn().unwrap();
let _update_id = additions.finalize(&mut update_writer).unwrap();
update_writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description", "age", "sex"],
"displayedAttributes": ["name", "description", "age", "sex"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.iter().find(|id| *id == update_id);
// check if it has been accepted
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
update_reader.abort().unwrap();
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
"age": 21,
"sex": "Male",
});
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
"age": 23,
"sex": "Male",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.iter().find(|id| *id == update_id);
// check if it has been accepted
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
update_reader.abort().unwrap();
// even try to search for a document
let reader = db.main_read_txn().unwrap();
let SortResult {documents, .. } = index.query_builder().query(&reader, "21 ", 0..20).unwrap();
assert_matches!(documents.len(), 1);
reader.abort().unwrap();
// try to introduce attributes in the middle of the schema
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description", "city", "age", "sex"],
"displayedAttributes": ["name", "description", "city", "age", "sex"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.iter().find(|id| *id == update_id);
// check if it has been accepted
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
}
#[test]
fn deserialize_documents() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
let mut additions = index.documents_addition();
// DocumentId(7900334843754999545)
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
// DocumentId(8367468610878465872)
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
update_reader.abort().unwrap();
let reader = db.main_read_txn().unwrap();
let document: Option<IgnoredAny> = index.document(&reader, None, DocumentId(25)).unwrap();
assert!(document.is_none());
let document: Option<IgnoredAny> = index
.document(&reader, None, DocumentId(0))
.unwrap();
assert!(document.is_some());
let document: Option<IgnoredAny> = index
.document(&reader, None, DocumentId(1))
.unwrap();
assert!(document.is_some());
}
#[test]
fn partial_document_update() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description", "id"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
let mut additions = index.documents_addition();
// DocumentId(7900334843754999545)
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
// DocumentId(8367468610878465872)
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
update_reader.abort().unwrap();
let reader = db.main_read_txn().unwrap();
let document: Option<IgnoredAny> = index.document(&reader, None, DocumentId(25)).unwrap();
assert!(document.is_none());
let document: Option<IgnoredAny> = index
.document(&reader, None, DocumentId(0))
.unwrap();
assert!(document.is_some());
let document: Option<IgnoredAny> = index
.document(&reader, None, DocumentId(1))
.unwrap();
assert!(document.is_some());
reader.abort().unwrap();
let mut partial_additions = index.documents_partial_addition();
// DocumentId(7900334843754999545)
let partial_doc1 = serde_json::json!({
"id": 123,
"description": "I am the new Marvin",
});
// DocumentId(8367468610878465872)
let partial_doc2 = serde_json::json!({
"id": 234,
"description": "I am the new Kevin",
});
partial_additions.update_document(partial_doc1);
partial_additions.update_document(partial_doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = partial_additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.iter().find(|id| *id == update_id);
let update_reader = db.update_read_txn().unwrap();
let result = index.update_status(&update_reader, update_id).unwrap();
assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
update_reader.abort().unwrap();
let reader = db.main_read_txn().unwrap();
let document: Option<serde_json::Value> = index
.document(&reader, None, DocumentId(0))
.unwrap();
let new_doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "I am the new Marvin",
});
assert_eq!(document, Some(new_doc1));
let document: Option<serde_json::Value> = index
.document(&reader, None, DocumentId(1))
.unwrap();
let new_doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "I am the new Kevin",
});
assert_eq!(document, Some(new_doc2));
}
#[test]
fn delete_index() {
let dir = tempfile::tempdir().unwrap();
let database = Arc::new(Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap());
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let db_cloned = database.clone();
let update_fn = move |name: &str, update: ProcessedUpdateResult| {
// try to open index to trigger a lock
let _ = db_cloned.open_index(name);
sender.send(update.update_id).unwrap()
};
// create the index
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"searchableAttributes": ["name", "description"],
"displayedAttributes": ["name", "description"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
// add documents to the index
let mut additions = index.documents_addition();
let doc1 = serde_json::json!({
"id": 123,
"name": "Marvin",
"description": "My name is Marvin",
});
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin",
"description": "My name is Kevin",
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// delete the index
let deleted = database.delete_index("test").unwrap();
assert!(deleted);
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let result = database.open_index("test");
assert!(result.is_none());
}
#[test]
fn check_number_ordering() {
let dir = tempfile::tempdir().unwrap();
let database = Database::open_or_create(dir.path(), DatabaseOptions::default()).unwrap();
let db = &database;
let (sender, receiver) = mpsc::sync_channel(100);
let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
sender.send(update.update_id).unwrap()
};
let index = database.create_index("test").unwrap();
database.set_update_callback(Box::new(update_fn));
let mut writer = db.main_write_txn().unwrap();
index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
writer.commit().unwrap();
let settings = {
let data = r#"
{
"rankingRules": [
"typo",
"words",
"proximity",
"attribute",
"wordsPosition",
"exactness",
"desc(release_date)"
],
"searchableAttributes": ["name", "release_date"],
"displayedAttributes": ["name", "release_date"]
}
"#;
let settings: Settings = serde_json::from_str(data).unwrap();
settings.to_update().unwrap()
};
let mut writer = db.update_write_txn().unwrap();
let _update_id = index.settings_update(&mut writer, settings).unwrap();
writer.commit().unwrap();
let mut additions = index.documents_addition();
// DocumentId(7900334843754999545)
let doc1 = serde_json::json!({
"id": 123,
"name": "Kevin the first",
"release_date": -10000,
});
// DocumentId(8367468610878465872)
let doc2 = serde_json::json!({
"id": 234,
"name": "Kevin the second",
"release_date": 10000,
});
additions.update_document(doc1);
additions.update_document(doc2);
let mut writer = db.update_write_txn().unwrap();
let update_id = additions.finalize(&mut writer).unwrap();
writer.commit().unwrap();
// block until the transaction is processed
let _ = receiver.into_iter().find(|id| *id == update_id);
let reader = db.main_read_txn().unwrap();
let schema = index.main.schema(&reader).unwrap().unwrap();
let ranked_map = index.main.ranked_map(&reader).unwrap().unwrap();
let criteria = CriteriaBuilder::new()
.add(
criterion::SortByAttr::lower_is_better(&ranked_map, &schema, "release_date")
.unwrap(),
)
.add(criterion::DocumentId)
.build();
let builder = index.query_builder_with_criteria(criteria);
let SortResult {documents, .. } = builder.query(&reader, "Kevin", 0..20).unwrap();
let mut iter = documents.into_iter();
assert_matches!(
iter.next(),
Some(Document {
id: DocumentId(0),
..
})
);
assert_matches!(
iter.next(),
Some(Document {
id: DocumentId(1),
..
})
);
assert_matches!(iter.next(), None);
}
}