599 lines
24 KiB
Rust
599 lines
24 KiB
Rust
//! Utility functions on the DBs. Mainly getter and setters.
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use std::collections::{BTreeSet, HashSet};
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use std::ops::Bound;
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use meilisearch_types::heed::types::{DecodeIgnore, OwnedType};
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use meilisearch_types::heed::{Database, RoTxn, RwTxn};
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use meilisearch_types::milli::{CboRoaringBitmapCodec, BEU32};
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use meilisearch_types::tasks::{Details, IndexSwap, Kind, KindWithContent, Status};
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use roaring::{MultiOps, RoaringBitmap};
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use time::OffsetDateTime;
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use crate::{Error, IndexScheduler, Result, Task, TaskId, BEI128};
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impl IndexScheduler {
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pub(crate) fn all_task_ids(&self, rtxn: &RoTxn) -> Result<RoaringBitmap> {
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enum_iterator::all().map(|s| self.get_status(rtxn, s)).union()
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}
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pub(crate) fn last_task_id(&self, rtxn: &RoTxn) -> Result<Option<TaskId>> {
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Ok(self.all_tasks.remap_data_type::<DecodeIgnore>().last(rtxn)?.map(|(k, _)| k.get() + 1))
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}
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pub(crate) fn next_task_id(&self, rtxn: &RoTxn) -> Result<TaskId> {
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Ok(self.last_task_id(rtxn)?.unwrap_or_default())
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}
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pub(crate) fn get_task(&self, rtxn: &RoTxn, task_id: TaskId) -> Result<Option<Task>> {
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Ok(self.all_tasks.get(rtxn, &BEU32::new(task_id))?)
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}
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/// Convert an iterator to a `Vec` of tasks. The tasks MUST exist or a
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/// `CorruptedTaskQueue` error will be throwed.
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pub(crate) fn get_existing_tasks(
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&self,
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rtxn: &RoTxn,
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tasks: impl IntoIterator<Item = TaskId>,
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) -> Result<Vec<Task>> {
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tasks
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.into_iter()
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.map(|task_id| {
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self.get_task(rtxn, task_id).and_then(|task| task.ok_or(Error::CorruptedTaskQueue))
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})
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.collect::<Result<_>>()
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}
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pub(crate) fn update_task(&self, wtxn: &mut RwTxn, task: &Task) -> Result<()> {
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let old_task = self.get_task(wtxn, task.uid)?.ok_or(Error::CorruptedTaskQueue)?;
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debug_assert_eq!(old_task.uid, task.uid);
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if old_task == *task {
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return Ok(());
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}
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if old_task.status != task.status {
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self.update_status(wtxn, old_task.status, |bitmap| {
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bitmap.remove(task.uid);
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})?;
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self.update_status(wtxn, task.status, |bitmap| {
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bitmap.insert(task.uid);
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})?;
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}
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if old_task.kind.as_kind() != task.kind.as_kind() {
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self.update_kind(wtxn, old_task.kind.as_kind(), |bitmap| {
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bitmap.remove(task.uid);
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})?;
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self.update_kind(wtxn, task.kind.as_kind(), |bitmap| {
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bitmap.insert(task.uid);
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})?;
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}
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assert_eq!(
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old_task.enqueued_at, task.enqueued_at,
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"Cannot update a task's enqueued_at time"
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);
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if old_task.started_at != task.started_at {
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assert!(old_task.started_at.is_none(), "Cannot update a task's started_at time");
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if let Some(started_at) = task.started_at {
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insert_task_datetime(wtxn, self.started_at, started_at, task.uid)?;
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}
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}
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if old_task.finished_at != task.finished_at {
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assert!(old_task.finished_at.is_none(), "Cannot update a task's finished_at time");
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if let Some(finished_at) = task.finished_at {
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insert_task_datetime(wtxn, self.finished_at, finished_at, task.uid)?;
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}
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}
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self.all_tasks.put(wtxn, &BEU32::new(task.uid), task)?;
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Ok(())
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}
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/// Returns the whole set of tasks that belongs to this index.
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pub(crate) fn index_tasks(&self, rtxn: &RoTxn, index: &str) -> Result<RoaringBitmap> {
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Ok(self.index_tasks.get(rtxn, index)?.unwrap_or_default())
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}
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pub(crate) fn update_index(
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&self,
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wtxn: &mut RwTxn,
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index: &str,
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f: impl Fn(&mut RoaringBitmap),
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) -> Result<()> {
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let mut tasks = self.index_tasks(wtxn, index)?;
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f(&mut tasks);
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if tasks.is_empty() {
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self.index_tasks.delete(wtxn, index)?;
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} else {
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self.index_tasks.put(wtxn, index, &tasks)?;
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}
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Ok(())
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}
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pub(crate) fn get_status(&self, rtxn: &RoTxn, status: Status) -> Result<RoaringBitmap> {
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Ok(self.status.get(rtxn, &status)?.unwrap_or_default())
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}
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pub(crate) fn put_status(
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&self,
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wtxn: &mut RwTxn,
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status: Status,
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bitmap: &RoaringBitmap,
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) -> Result<()> {
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Ok(self.status.put(wtxn, &status, bitmap)?)
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}
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pub(crate) fn update_status(
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&self,
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wtxn: &mut RwTxn,
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status: Status,
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f: impl Fn(&mut RoaringBitmap),
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) -> Result<()> {
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let mut tasks = self.get_status(wtxn, status)?;
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f(&mut tasks);
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self.put_status(wtxn, status, &tasks)?;
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Ok(())
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}
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pub(crate) fn get_kind(&self, rtxn: &RoTxn, kind: Kind) -> Result<RoaringBitmap> {
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Ok(self.kind.get(rtxn, &kind)?.unwrap_or_default())
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}
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pub(crate) fn put_kind(
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&self,
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wtxn: &mut RwTxn,
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kind: Kind,
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bitmap: &RoaringBitmap,
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) -> Result<()> {
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Ok(self.kind.put(wtxn, &kind, bitmap)?)
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}
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pub(crate) fn update_kind(
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&self,
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wtxn: &mut RwTxn,
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kind: Kind,
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f: impl Fn(&mut RoaringBitmap),
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) -> Result<()> {
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let mut tasks = self.get_kind(wtxn, kind)?;
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f(&mut tasks);
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self.put_kind(wtxn, kind, &tasks)?;
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Ok(())
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}
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}
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pub(crate) fn insert_task_datetime(
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wtxn: &mut RwTxn,
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database: Database<OwnedType<BEI128>, CboRoaringBitmapCodec>,
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time: OffsetDateTime,
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task_id: TaskId,
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) -> Result<()> {
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let timestamp = BEI128::new(time.unix_timestamp_nanos());
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let mut task_ids = database.get(wtxn, ×tamp)?.unwrap_or_default();
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task_ids.insert(task_id);
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database.put(wtxn, ×tamp, &RoaringBitmap::from_iter(task_ids))?;
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Ok(())
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}
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pub(crate) fn remove_task_datetime(
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wtxn: &mut RwTxn,
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database: Database<OwnedType<BEI128>, CboRoaringBitmapCodec>,
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time: OffsetDateTime,
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task_id: TaskId,
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) -> Result<()> {
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let timestamp = BEI128::new(time.unix_timestamp_nanos());
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if let Some(mut existing) = database.get(wtxn, ×tamp)? {
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existing.remove(task_id);
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if existing.is_empty() {
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database.delete(wtxn, ×tamp)?;
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} else {
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database.put(wtxn, ×tamp, &RoaringBitmap::from_iter(existing))?;
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}
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}
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Ok(())
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}
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pub(crate) fn keep_tasks_within_datetimes(
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rtxn: &RoTxn,
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tasks: &mut RoaringBitmap,
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database: Database<OwnedType<BEI128>, CboRoaringBitmapCodec>,
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after: Option<OffsetDateTime>,
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before: Option<OffsetDateTime>,
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) -> Result<()> {
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let (start, end) = match (&after, &before) {
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(None, None) => return Ok(()),
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(None, Some(before)) => (Bound::Unbounded, Bound::Excluded(*before)),
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(Some(after), None) => (Bound::Excluded(*after), Bound::Unbounded),
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(Some(after), Some(before)) => (Bound::Excluded(*after), Bound::Excluded(*before)),
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};
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let mut collected_task_ids = RoaringBitmap::new();
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let start = map_bound(start, |b| BEI128::new(b.unix_timestamp_nanos()));
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let end = map_bound(end, |b| BEI128::new(b.unix_timestamp_nanos()));
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let iter = database.range(rtxn, &(start, end))?;
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for r in iter {
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let (_timestamp, task_ids) = r?;
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collected_task_ids |= task_ids;
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}
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*tasks &= collected_task_ids;
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Ok(())
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}
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// TODO: remove when Bound::map ( https://github.com/rust-lang/rust/issues/86026 ) is available on stable
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pub(crate) fn map_bound<T, U>(bound: Bound<T>, map: impl FnOnce(T) -> U) -> Bound<U> {
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match bound {
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Bound::Included(x) => Bound::Included(map(x)),
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Bound::Excluded(x) => Bound::Excluded(map(x)),
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Bound::Unbounded => Bound::Unbounded,
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}
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}
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pub fn swap_index_uid_in_task(task: &mut Task, swap: (&str, &str)) {
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use KindWithContent as K;
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let mut index_uids = vec![];
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match &mut task.kind {
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K::DocumentAdditionOrUpdate { index_uid, .. } => index_uids.push(index_uid),
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K::DocumentDeletion { index_uid, .. } => index_uids.push(index_uid),
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K::DocumentDeletionByFilter { index_uid, .. } => index_uids.push(index_uid),
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K::DocumentClear { index_uid } => index_uids.push(index_uid),
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K::SettingsUpdate { index_uid, .. } => index_uids.push(index_uid),
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K::IndexDeletion { index_uid } => index_uids.push(index_uid),
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K::IndexCreation { index_uid, .. } => index_uids.push(index_uid),
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K::IndexUpdate { index_uid, .. } => index_uids.push(index_uid),
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K::IndexSwap { swaps } => {
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for IndexSwap { indexes: (lhs, rhs) } in swaps.iter_mut() {
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if lhs == swap.0 || lhs == swap.1 {
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index_uids.push(lhs);
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}
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if rhs == swap.0 || rhs == swap.1 {
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index_uids.push(rhs);
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}
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}
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}
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K::TaskCancelation { .. }
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| K::TaskDeletion { .. }
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| K::DumpCreation { .. }
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| K::SnapshotCreation => (),
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};
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if let Some(Details::IndexSwap { swaps }) = &mut task.details {
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for IndexSwap { indexes: (lhs, rhs) } in swaps.iter_mut() {
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if lhs == swap.0 || lhs == swap.1 {
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index_uids.push(lhs);
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}
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if rhs == swap.0 || rhs == swap.1 {
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index_uids.push(rhs);
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}
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}
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}
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for index_uid in index_uids {
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if index_uid == swap.0 {
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*index_uid = swap.1.to_owned();
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} else if index_uid == swap.1 {
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*index_uid = swap.0.to_owned();
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}
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}
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}
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/// Remove references to task ids that are greater than the id of the given task.
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pub(crate) fn filter_out_references_to_newer_tasks(task: &mut Task) {
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let new_nbr_of_matched_tasks = match &mut task.kind {
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KindWithContent::TaskCancelation { tasks, .. }
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| KindWithContent::TaskDeletion { tasks, .. } => {
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tasks.remove_range(task.uid..);
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tasks.len()
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}
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_ => return,
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};
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if let Some(
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Details::TaskCancelation { matched_tasks, .. }
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| Details::TaskDeletion { matched_tasks, .. },
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) = &mut task.details
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{
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*matched_tasks = new_nbr_of_matched_tasks;
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}
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}
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pub(crate) fn check_index_swap_validity(task: &Task) -> Result<()> {
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let swaps =
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if let KindWithContent::IndexSwap { swaps } = &task.kind { swaps } else { return Ok(()) };
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let mut all_indexes = HashSet::new();
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let mut duplicate_indexes = BTreeSet::new();
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for IndexSwap { indexes: (lhs, rhs) } in swaps {
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for name in [lhs, rhs] {
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let is_new = all_indexes.insert(name);
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if !is_new {
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duplicate_indexes.insert(name);
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}
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}
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}
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if !duplicate_indexes.is_empty() {
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if duplicate_indexes.len() == 1 {
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return Err(Error::SwapDuplicateIndexFound(
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duplicate_indexes.into_iter().next().unwrap().clone(),
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));
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} else {
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return Err(Error::SwapDuplicateIndexesFound(
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duplicate_indexes.into_iter().cloned().collect(),
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));
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}
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}
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Ok(())
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}
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/// Clamp the provided value to be a multiple of system page size.
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pub fn clamp_to_page_size(size: usize) -> usize {
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size / page_size::get() * page_size::get()
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}
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#[cfg(test)]
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impl IndexScheduler {
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/// Asserts that the index scheduler's content is internally consistent.
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pub fn assert_internally_consistent(&self) {
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let rtxn = self.env.read_txn().unwrap();
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for task in self.all_tasks.iter(&rtxn).unwrap() {
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let (task_id, task) = task.unwrap();
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let task_id = task_id.get();
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let task_index_uid = task.index_uid().map(ToOwned::to_owned);
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let Task {
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uid,
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enqueued_at,
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started_at,
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finished_at,
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error: _,
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canceled_by,
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details,
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status,
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kind,
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} = task;
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assert_eq!(uid, task.uid);
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if let Some(task_index_uid) = &task_index_uid {
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assert!(self
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.index_tasks
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.get(&rtxn, task_index_uid.as_str())
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.unwrap()
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.unwrap()
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.contains(task.uid));
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}
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let db_enqueued_at = self
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.enqueued_at
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.get(&rtxn, &BEI128::new(enqueued_at.unix_timestamp_nanos()))
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.unwrap()
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.unwrap();
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assert!(db_enqueued_at.contains(task_id));
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if let Some(started_at) = started_at {
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let db_started_at = self
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.started_at
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.get(&rtxn, &BEI128::new(started_at.unix_timestamp_nanos()))
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.unwrap()
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.unwrap();
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assert!(db_started_at.contains(task_id));
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}
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if let Some(finished_at) = finished_at {
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let db_finished_at = self
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.finished_at
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.get(&rtxn, &BEI128::new(finished_at.unix_timestamp_nanos()))
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.unwrap()
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.unwrap();
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assert!(db_finished_at.contains(task_id));
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}
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if let Some(canceled_by) = canceled_by {
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let db_canceled_tasks = self.get_status(&rtxn, Status::Canceled).unwrap();
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assert!(db_canceled_tasks.contains(uid));
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let db_canceling_task = self.get_task(&rtxn, canceled_by).unwrap().unwrap();
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assert_eq!(db_canceling_task.status, Status::Succeeded);
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match db_canceling_task.kind {
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KindWithContent::TaskCancelation { query: _, tasks } => {
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assert!(tasks.contains(uid));
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}
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_ => panic!(),
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}
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}
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if let Some(details) = details {
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match details {
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Details::IndexSwap { swaps: sw1 } => {
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if let KindWithContent::IndexSwap { swaps: sw2 } = &kind {
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assert_eq!(&sw1, sw2);
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}
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}
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Details::DocumentAdditionOrUpdate { received_documents, indexed_documents } => {
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assert_eq!(kind.as_kind(), Kind::DocumentAdditionOrUpdate);
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match indexed_documents {
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Some(indexed_documents) => {
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assert!(matches!(
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status,
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Status::Succeeded | Status::Failed | Status::Canceled
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));
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match status {
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Status::Succeeded => assert!(indexed_documents <= received_documents),
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Status::Failed | Status::Canceled => assert_eq!(indexed_documents, 0),
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status => panic!("DocumentAddition can't have an indexed_document set if it's {}", status),
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}
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}
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None => {
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assert!(matches!(status, Status::Enqueued | Status::Processing))
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}
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}
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}
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Details::SettingsUpdate { settings: _ } => {
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assert_eq!(kind.as_kind(), Kind::SettingsUpdate);
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}
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Details::IndexInfo { primary_key: pk1 } => match &kind {
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KindWithContent::IndexCreation { index_uid, primary_key: pk2 }
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| KindWithContent::IndexUpdate { index_uid, primary_key: pk2 } => {
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self.index_tasks
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.get(&rtxn, index_uid.as_str())
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.unwrap()
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.unwrap()
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.contains(uid);
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assert_eq!(&pk1, pk2);
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}
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_ => panic!(),
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},
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Details::DocumentDeletion {
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provided_ids: received_document_ids,
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deleted_documents,
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} => {
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assert_eq!(kind.as_kind(), Kind::DocumentDeletion);
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let (index_uid, documents_ids) =
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if let KindWithContent::DocumentDeletion {
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ref index_uid,
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ref documents_ids,
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} = kind
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{
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(index_uid, documents_ids)
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} else {
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unreachable!()
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};
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assert_eq!(&task_index_uid.unwrap(), index_uid);
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match status {
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Status::Enqueued | Status::Processing => (),
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Status::Succeeded => {
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assert!(deleted_documents.unwrap() <= received_document_ids as u64);
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assert!(documents_ids.len() == received_document_ids);
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}
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Status::Failed | Status::Canceled => {
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assert!(deleted_documents == Some(0));
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assert!(documents_ids.len() == received_document_ids);
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}
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}
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}
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Details::DocumentDeletionByFilter { deleted_documents, original_filter: _ } => {
|
|
assert_eq!(kind.as_kind(), Kind::DocumentDeletionByFilter);
|
|
let (index_uid, _) = if let KindWithContent::DocumentDeletionByFilter {
|
|
ref index_uid,
|
|
ref filter_expr,
|
|
} = kind
|
|
{
|
|
(index_uid, filter_expr)
|
|
} else {
|
|
unreachable!()
|
|
};
|
|
assert_eq!(&task_index_uid.unwrap(), index_uid);
|
|
|
|
match status {
|
|
Status::Enqueued | Status::Processing => (),
|
|
Status::Succeeded => {
|
|
assert!(deleted_documents.is_some());
|
|
}
|
|
Status::Failed | Status::Canceled => {
|
|
assert!(deleted_documents == Some(0));
|
|
}
|
|
}
|
|
}
|
|
Details::ClearAll { deleted_documents } => {
|
|
assert!(matches!(
|
|
kind.as_kind(),
|
|
Kind::DocumentDeletion | Kind::IndexDeletion
|
|
));
|
|
if deleted_documents.is_some() {
|
|
assert_eq!(status, Status::Succeeded);
|
|
} else {
|
|
assert_ne!(status, Status::Succeeded);
|
|
}
|
|
}
|
|
Details::TaskCancelation { matched_tasks, canceled_tasks, original_filter } => {
|
|
if let Some(canceled_tasks) = canceled_tasks {
|
|
assert_eq!(status, Status::Succeeded);
|
|
assert!(canceled_tasks <= matched_tasks);
|
|
match &kind {
|
|
KindWithContent::TaskCancelation { query, tasks } => {
|
|
assert_eq!(query, &original_filter);
|
|
assert_eq!(tasks.len(), matched_tasks);
|
|
}
|
|
_ => panic!(),
|
|
}
|
|
} else {
|
|
assert_ne!(status, Status::Succeeded);
|
|
}
|
|
}
|
|
Details::TaskDeletion { matched_tasks, deleted_tasks, original_filter } => {
|
|
if let Some(deleted_tasks) = deleted_tasks {
|
|
assert_eq!(status, Status::Succeeded);
|
|
assert!(deleted_tasks <= matched_tasks);
|
|
match &kind {
|
|
KindWithContent::TaskDeletion { query, tasks } => {
|
|
assert_eq!(query, &original_filter);
|
|
assert_eq!(tasks.len(), matched_tasks);
|
|
}
|
|
_ => panic!(),
|
|
}
|
|
} else {
|
|
assert_ne!(status, Status::Succeeded);
|
|
}
|
|
}
|
|
Details::Dump { dump_uid: _ } => {
|
|
assert_eq!(kind.as_kind(), Kind::DumpCreation);
|
|
}
|
|
}
|
|
}
|
|
|
|
assert!(self.get_status(&rtxn, status).unwrap().contains(uid));
|
|
assert!(self.get_kind(&rtxn, kind.as_kind()).unwrap().contains(uid));
|
|
|
|
if let KindWithContent::DocumentAdditionOrUpdate { content_file, .. } = kind {
|
|
match status {
|
|
Status::Enqueued | Status::Processing => {
|
|
assert!(self
|
|
.file_store
|
|
.all_uuids()
|
|
.unwrap()
|
|
.any(|uuid| uuid.as_ref().unwrap() == &content_file),
|
|
"Could not find uuid `{content_file}` in the file_store. Available uuids are {:?}.",
|
|
self.file_store.all_uuids().unwrap().collect::<std::result::Result<Vec<_>, file_store::Error>>().unwrap(),
|
|
);
|
|
}
|
|
Status::Succeeded | Status::Failed | Status::Canceled => {
|
|
assert!(self
|
|
.file_store
|
|
.all_uuids()
|
|
.unwrap()
|
|
.all(|uuid| uuid.as_ref().unwrap() != &content_file));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn dichotomic_search(start_point: usize, mut is_good: impl FnMut(usize) -> bool) -> usize {
|
|
let mut biggest_good = None;
|
|
let mut smallest_bad = None;
|
|
let mut current = start_point;
|
|
loop {
|
|
let is_good = is_good(current);
|
|
|
|
(biggest_good, smallest_bad, current) = match (biggest_good, smallest_bad, is_good) {
|
|
(None, None, false) => (None, Some(current), current / 2),
|
|
(None, None, true) => (Some(current), None, current * 2),
|
|
(None, Some(smallest_bad), true) => {
|
|
(Some(current), Some(smallest_bad), (current + smallest_bad) / 2)
|
|
}
|
|
(None, Some(_), false) => (None, Some(current), current / 2),
|
|
(Some(_), None, true) => (Some(current), None, current * 2),
|
|
(Some(biggest_good), None, false) => {
|
|
(Some(biggest_good), Some(current), (biggest_good + current) / 2)
|
|
}
|
|
(Some(_), Some(smallest_bad), true) => {
|
|
(Some(current), Some(smallest_bad), (smallest_bad + current) / 2)
|
|
}
|
|
(Some(biggest_good), Some(_), false) => {
|
|
(Some(biggest_good), Some(current), (biggest_good + current) / 2)
|
|
}
|
|
};
|
|
if current == 0 {
|
|
return current;
|
|
}
|
|
if smallest_bad.is_some() && biggest_good.is_some() && biggest_good >= Some(current) {
|
|
return current;
|
|
}
|
|
}
|
|
}
|