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https://github.com/meilisearch/meilisearch.git
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264a04922d
Similar to the word_prefix_pair_proximity one but instead the keys are: (proximity, prefix, word2)
1092 lines
45 KiB
Rust
1092 lines
45 KiB
Rust
use std::collections::btree_map::Entry;
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use fst::IntoStreamer;
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use heed::types::{ByteSlice, Str};
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use heed::{BytesDecode, BytesEncode, Database};
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use roaring::RoaringBitmap;
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use serde::{Deserialize, Serialize};
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use serde_json::Value;
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use time::OffsetDateTime;
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use super::ClearDocuments;
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use crate::error::{InternalError, SerializationError, UserError};
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use crate::heed_codec::facet::{
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FacetLevelValueU32Codec, FacetStringLevelZeroValueCodec, FacetStringZeroBoundsValueCodec,
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};
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use crate::heed_codec::CboRoaringBitmapCodec;
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use crate::index::{db_name, main_key};
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use crate::{
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DocumentId, ExternalDocumentsIds, FieldId, FieldIdMapMissingEntry, Index, Result,
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RoaringBitmapCodec, SmallString32, BEU32,
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};
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pub struct DeleteDocuments<'t, 'u, 'i> {
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wtxn: &'t mut heed::RwTxn<'i, 'u>,
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index: &'i Index,
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external_documents_ids: ExternalDocumentsIds<'static>,
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to_delete_docids: RoaringBitmap,
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}
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct DocumentDeletionResult {
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pub deleted_documents: u64,
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pub remaining_documents: u64,
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}
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impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
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pub fn new(
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wtxn: &'t mut heed::RwTxn<'i, 'u>,
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index: &'i Index,
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) -> Result<DeleteDocuments<'t, 'u, 'i>> {
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let external_documents_ids = index.external_documents_ids(wtxn)?.into_static();
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Ok(DeleteDocuments {
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wtxn,
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index,
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external_documents_ids,
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to_delete_docids: RoaringBitmap::new(),
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})
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}
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pub fn delete_document(&mut self, docid: u32) {
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self.to_delete_docids.insert(docid);
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}
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pub fn delete_documents(&mut self, docids: &RoaringBitmap) {
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self.to_delete_docids |= docids;
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}
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pub fn delete_external_id(&mut self, external_id: &str) -> Option<u32> {
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let docid = self.external_documents_ids.get(external_id)?;
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self.delete_document(docid);
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Some(docid)
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}
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pub fn execute(mut self) -> Result<DocumentDeletionResult> {
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self.index.set_updated_at(self.wtxn, &OffsetDateTime::now_utc())?;
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// We retrieve the current documents ids that are in the database.
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let mut documents_ids = self.index.documents_ids(self.wtxn)?;
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let mut soft_deleted_docids = self.index.soft_deleted_documents_ids(self.wtxn)?;
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let current_documents_ids_len = documents_ids.len();
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// We can and must stop removing documents in a database that is empty.
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if documents_ids.is_empty() {
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// but if there was still documents to delete we clear the database entirely
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if !soft_deleted_docids.is_empty() {
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ClearDocuments::new(self.wtxn, self.index).execute()?;
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}
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return Ok(DocumentDeletionResult { deleted_documents: 0, remaining_documents: 0 });
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}
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// We remove the documents ids that we want to delete
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// from the documents in the database and write them back.
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documents_ids -= &self.to_delete_docids;
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self.index.put_documents_ids(self.wtxn, &documents_ids)?;
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// We can execute a ClearDocuments operation when the number of documents
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// to delete is exactly the number of documents in the database.
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if current_documents_ids_len == self.to_delete_docids.len() {
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let remaining_documents = ClearDocuments::new(self.wtxn, self.index).execute()?;
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return Ok(DocumentDeletionResult {
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deleted_documents: current_documents_ids_len,
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remaining_documents,
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});
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}
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let fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
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let mut field_distribution = self.index.field_distribution(self.wtxn)?;
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// we update the field distribution
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for docid in self.to_delete_docids.iter() {
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let key = BEU32::new(docid);
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let document =
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self.index.documents.get(self.wtxn, &key)?.ok_or(
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InternalError::DatabaseMissingEntry { db_name: "documents", key: None },
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)?;
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for (fid, _value) in document.iter() {
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let field_name =
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fields_ids_map.name(fid).ok_or(FieldIdMapMissingEntry::FieldId {
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field_id: fid,
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process: "delete documents",
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})?;
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if let Entry::Occupied(mut entry) = field_distribution.entry(field_name.to_string())
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{
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match entry.get().checked_sub(1) {
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Some(0) | None => entry.remove(),
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Some(count) => entry.insert(count),
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};
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}
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}
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}
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self.index.put_field_distribution(self.wtxn, &field_distribution)?;
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soft_deleted_docids |= &self.to_delete_docids;
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// if we have less documents to delete than the threshold we simply save them in
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// the `soft_deleted_documents_ids` bitmap and early exit.
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let size_used = self.index.used_size()?;
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let map_size = self.index.env.map_size()? as u64;
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let nb_documents = self.index.number_of_documents(&self.wtxn)?;
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let nb_soft_deleted = soft_deleted_docids.len();
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let percentage_available = 100 - (size_used * 100 / map_size);
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let estimated_document_size = size_used / (nb_documents + nb_soft_deleted);
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let estimated_size_used_by_soft_deleted = estimated_document_size * nb_soft_deleted;
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let percentage_used_by_soft_deleted_documents =
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estimated_size_used_by_soft_deleted * 100 / map_size;
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// if we have more than 10% of disk space available and the soft deleted
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// documents uses less than 10% of the total space available,
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// we skip the deletion. Eg.
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// - With 100Go of disk and 20Go used including 5Go of soft-deleted documents
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// We don’t delete anything.
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// - With 100Go of disk and 95Go used including 1mo of soft-deleted documents
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// We run the deletion.
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// - With 100Go of disk and 50Go used including 15Go of soft-deleted documents
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// We run the deletion.
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if percentage_available > 10 && percentage_used_by_soft_deleted_documents < 10 {
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self.index.put_soft_deleted_documents_ids(self.wtxn, &soft_deleted_docids)?;
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return Ok(DocumentDeletionResult {
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deleted_documents: self.to_delete_docids.len(),
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remaining_documents: documents_ids.len(),
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});
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}
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// There is more than documents to delete than the threshold we needs to delete them all
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self.to_delete_docids = soft_deleted_docids;
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// and we can reset the soft deleted bitmap
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self.index.put_soft_deleted_documents_ids(self.wtxn, &RoaringBitmap::new())?;
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let primary_key = self.index.primary_key(self.wtxn)?.ok_or_else(|| {
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InternalError::DatabaseMissingEntry {
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db_name: db_name::MAIN,
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key: Some(main_key::PRIMARY_KEY_KEY),
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}
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})?;
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// Since we already checked if the DB was empty, if we can't find the primary key, then
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// something is wrong, and we must return an error.
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let id_field = match fields_ids_map.id(primary_key) {
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Some(field) => field,
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None => return Err(UserError::MissingPrimaryKey.into()),
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};
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let Index {
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env: _env,
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main: _main,
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word_docids,
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exact_word_docids,
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word_prefix_docids,
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exact_word_prefix_docids,
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docid_word_positions,
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word_pair_proximity_docids,
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field_id_word_count_docids,
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word_prefix_pair_proximity_docids,
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prefix_word_pair_proximity_docids,
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word_position_docids,
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word_prefix_position_docids,
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facet_id_f64_docids,
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facet_id_exists_docids,
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facet_id_string_docids,
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field_id_docid_facet_f64s,
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field_id_docid_facet_strings,
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documents,
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} = self.index;
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// Retrieve the words and the external documents ids contained in the documents.
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let mut words = Vec::new();
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let mut external_ids = Vec::new();
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for docid in &self.to_delete_docids {
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// We create an iterator to be able to get the content and delete the document
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// content itself. It's faster to acquire a cursor to get and delete,
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// as we avoid traversing the LMDB B-Tree two times but only once.
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let key = BEU32::new(docid);
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let mut iter = documents.range_mut(self.wtxn, &(key..=key))?;
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if let Some((_key, obkv)) = iter.next().transpose()? {
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if let Some(content) = obkv.get(id_field) {
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let external_id = match serde_json::from_slice(content).unwrap() {
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Value::String(string) => SmallString32::from(string.as_str()),
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Value::Number(number) => SmallString32::from(number.to_string()),
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document_id => {
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return Err(UserError::InvalidDocumentId { document_id }.into())
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}
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};
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external_ids.push(external_id);
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}
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.del_current()? };
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}
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drop(iter);
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// We iterate through the words positions of the document id,
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// retrieve the word and delete the positions.
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let mut iter = docid_word_positions.prefix_iter_mut(self.wtxn, &(docid, ""))?;
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while let Some(result) = iter.next() {
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let ((_docid, word), _positions) = result?;
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// This boolean will indicate if we must remove this word from the words FST.
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words.push((SmallString32::from(word), false));
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.del_current()? };
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}
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}
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// We create the FST map of the external ids that we must delete.
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external_ids.sort_unstable();
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let external_ids_to_delete = fst::Set::from_iter(external_ids)?;
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// We acquire the current external documents ids map...
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let mut new_external_documents_ids = self.index.external_documents_ids(self.wtxn)?;
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// ...and remove the to-delete external ids.
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new_external_documents_ids.delete_ids(external_ids_to_delete)?;
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// We write the new external ids into the main database.
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let new_external_documents_ids = new_external_documents_ids.into_static();
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self.index.put_external_documents_ids(self.wtxn, &new_external_documents_ids)?;
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// Maybe we can improve the get performance of the words
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// if we sort the words first, keeping the LMDB pages in cache.
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words.sort_unstable();
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// We iterate over the words and delete the documents ids
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// from the word docids database.
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for (word, must_remove) in &mut words {
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remove_from_word_docids(
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self.wtxn,
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word_docids,
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word.as_str(),
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must_remove,
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&self.to_delete_docids,
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)?;
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remove_from_word_docids(
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self.wtxn,
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exact_word_docids,
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word.as_str(),
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must_remove,
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&self.to_delete_docids,
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)?;
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}
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// We construct an FST set that contains the words to delete from the words FST.
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let words_to_delete =
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words.iter().filter_map(
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|(word, must_remove)| {
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if *must_remove {
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Some(word.as_str())
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} else {
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None
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}
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},
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);
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let words_to_delete = fst::Set::from_iter(words_to_delete)?;
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let new_words_fst = {
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// We retrieve the current words FST from the database.
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let words_fst = self.index.words_fst(self.wtxn)?;
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let difference = words_fst.op().add(&words_to_delete).difference();
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// We stream the new external ids that does no more contains the to-delete external ids.
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let mut new_words_fst_builder = fst::SetBuilder::memory();
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new_words_fst_builder.extend_stream(difference.into_stream())?;
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// We create an words FST set from the above builder.
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new_words_fst_builder.into_set()
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};
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// We write the new words FST into the main database.
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self.index.put_words_fst(self.wtxn, &new_words_fst)?;
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let prefixes_to_delete =
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remove_from_word_prefix_docids(self.wtxn, word_prefix_docids, &self.to_delete_docids)?;
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let exact_prefix_to_delete = remove_from_word_prefix_docids(
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self.wtxn,
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exact_word_prefix_docids,
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&self.to_delete_docids,
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)?;
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let all_prefixes_to_delete = prefixes_to_delete.op().add(&exact_prefix_to_delete).union();
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// We compute the new prefix FST and write it only if there is a change.
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if !prefixes_to_delete.is_empty() || !exact_prefix_to_delete.is_empty() {
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let new_words_prefixes_fst = {
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// We retrieve the current words prefixes FST from the database.
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let words_prefixes_fst = self.index.words_prefixes_fst(self.wtxn)?;
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let difference =
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words_prefixes_fst.op().add(all_prefixes_to_delete.into_stream()).difference();
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// We stream the new external ids that does no more contains the to-delete external ids.
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let mut new_words_prefixes_fst_builder = fst::SetBuilder::memory();
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new_words_prefixes_fst_builder.extend_stream(difference.into_stream())?;
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// We create an words FST set from the above builder.
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new_words_prefixes_fst_builder.into_set()
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};
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// We write the new words prefixes FST into the main database.
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self.index.put_words_prefixes_fst(self.wtxn, &new_words_prefixes_fst)?;
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}
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for db in [word_prefix_pair_proximity_docids, prefix_word_pair_proximity_docids] {
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// We delete the documents ids from the word prefix pair proximity database docids
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// and remove the empty pairs too.
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let db = db.remap_key_type::<ByteSlice>();
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let mut iter = db.iter_mut(self.wtxn)?;
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while let Some(result) = iter.next() {
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let (key, mut docids) = result?;
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let previous_len = docids.len();
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docids -= &self.to_delete_docids;
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if docids.is_empty() {
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.del_current()? };
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} else if docids.len() != previous_len {
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let key = key.to_owned();
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.put_current(&key, &docids)? };
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}
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}
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}
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// We delete the documents ids that are under the pairs of words,
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// it is faster and use no memory to iterate over all the words pairs than
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// to compute the cartesian product of every words of the deleted documents.
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let mut iter =
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word_pair_proximity_docids.remap_key_type::<ByteSlice>().iter_mut(self.wtxn)?;
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while let Some(result) = iter.next() {
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let (bytes, mut docids) = result?;
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let previous_len = docids.len();
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docids -= &self.to_delete_docids;
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if docids.is_empty() {
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.del_current()? };
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} else if docids.len() != previous_len {
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let bytes = bytes.to_owned();
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// safety: we don't keep references from inside the LMDB database.
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unsafe { iter.put_current(&bytes, &docids)? };
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}
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}
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drop(iter);
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// We delete the documents ids that are under the word level position docids.
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let mut iter = word_position_docids.iter_mut(self.wtxn)?.remap_key_type::<ByteSlice>();
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while let Some(result) = iter.next() {
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let (bytes, mut docids) = result?;
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let previous_len = docids.len();
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docids -= &self.to_delete_docids;
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if docids.is_empty() {
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// safety: we don't keep references from inside the LMDB database.
|
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unsafe { iter.del_current()? };
|
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} else if docids.len() != previous_len {
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let bytes = bytes.to_owned();
|
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// safety: we don't keep references from inside the LMDB database.
|
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unsafe { iter.put_current(&bytes, &docids)? };
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}
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}
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drop(iter);
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|
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// We delete the documents ids that are under the word prefix level position docids.
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let mut iter =
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word_prefix_position_docids.iter_mut(self.wtxn)?.remap_key_type::<ByteSlice>();
|
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while let Some(result) = iter.next() {
|
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let (bytes, mut docids) = result?;
|
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let previous_len = docids.len();
|
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docids -= &self.to_delete_docids;
|
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if docids.is_empty() {
|
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// safety: we don't keep references from inside the LMDB database.
|
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unsafe { iter.del_current()? };
|
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} else if docids.len() != previous_len {
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let bytes = bytes.to_owned();
|
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// safety: we don't keep references from inside the LMDB database.
|
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unsafe { iter.put_current(&bytes, &docids)? };
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}
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}
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drop(iter);
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// Remove the documents ids from the field id word count database.
|
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let mut iter = field_id_word_count_docids.iter_mut(self.wtxn)?;
|
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while let Some((key, mut docids)) = iter.next().transpose()? {
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let previous_len = docids.len();
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docids -= &self.to_delete_docids;
|
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if docids.is_empty() {
|
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// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
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} else if docids.len() != previous_len {
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let key = key.to_owned();
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// safety: we don't keep references from inside the LMDB database.
|
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unsafe { iter.put_current(&key, &docids)? };
|
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}
|
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}
|
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drop(iter);
|
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|
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if let Some(mut rtree) = self.index.geo_rtree(self.wtxn)? {
|
||
let mut geo_faceted_doc_ids = self.index.geo_faceted_documents_ids(self.wtxn)?;
|
||
|
||
let (points_to_remove, docids_to_remove): (Vec<_>, RoaringBitmap) = rtree
|
||
.iter()
|
||
.filter(|&point| self.to_delete_docids.contains(point.data.0))
|
||
.cloned()
|
||
.map(|point| (point, point.data.0))
|
||
.unzip();
|
||
points_to_remove.iter().for_each(|point| {
|
||
rtree.remove(&point);
|
||
});
|
||
geo_faceted_doc_ids -= docids_to_remove;
|
||
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self.index.put_geo_rtree(self.wtxn, &rtree)?;
|
||
self.index.put_geo_faceted_documents_ids(self.wtxn, &geo_faceted_doc_ids)?;
|
||
}
|
||
|
||
// We delete the documents ids that are under the facet field id values.
|
||
remove_docids_from_facet_field_id_docids(
|
||
self.wtxn,
|
||
facet_id_f64_docids,
|
||
&self.to_delete_docids,
|
||
)?;
|
||
// We delete the documents ids that are under the facet field id values.
|
||
remove_docids_from_facet_field_id_docids(
|
||
self.wtxn,
|
||
facet_id_exists_docids,
|
||
&self.to_delete_docids,
|
||
)?;
|
||
|
||
remove_docids_from_facet_field_id_string_docids(
|
||
self.wtxn,
|
||
facet_id_string_docids,
|
||
&self.to_delete_docids,
|
||
)?;
|
||
|
||
// Remove the documents ids from the faceted documents ids.
|
||
for field_id in self.index.faceted_fields_ids(self.wtxn)? {
|
||
// Remove docids from the number faceted documents ids
|
||
let mut docids = self.index.number_faceted_documents_ids(self.wtxn, field_id)?;
|
||
docids -= &self.to_delete_docids;
|
||
self.index.put_number_faceted_documents_ids(self.wtxn, field_id, &docids)?;
|
||
|
||
remove_docids_from_field_id_docid_facet_value(
|
||
self.wtxn,
|
||
field_id_docid_facet_f64s,
|
||
field_id,
|
||
&self.to_delete_docids,
|
||
|(_fid, docid, _value)| docid,
|
||
)?;
|
||
|
||
// Remove docids from the string faceted documents ids
|
||
let mut docids = self.index.string_faceted_documents_ids(self.wtxn, field_id)?;
|
||
docids -= &self.to_delete_docids;
|
||
self.index.put_string_faceted_documents_ids(self.wtxn, field_id, &docids)?;
|
||
|
||
remove_docids_from_field_id_docid_facet_value(
|
||
self.wtxn,
|
||
field_id_docid_facet_strings,
|
||
field_id,
|
||
&self.to_delete_docids,
|
||
|(_fid, docid, _value)| docid,
|
||
)?;
|
||
}
|
||
|
||
Ok(DocumentDeletionResult {
|
||
deleted_documents: self.to_delete_docids.len(),
|
||
remaining_documents: documents_ids.len(),
|
||
})
|
||
}
|
||
}
|
||
|
||
fn remove_from_word_prefix_docids(
|
||
txn: &mut heed::RwTxn,
|
||
db: &Database<Str, RoaringBitmapCodec>,
|
||
to_remove: &RoaringBitmap,
|
||
) -> Result<fst::Set<Vec<u8>>> {
|
||
let mut prefixes_to_delete = fst::SetBuilder::memory();
|
||
|
||
// We iterate over the word prefix docids database and remove the deleted documents ids
|
||
// from every docids lists. We register the empty prefixes in an fst Set for futur deletion.
|
||
let mut iter = db.iter_mut(txn)?;
|
||
while let Some(result) = iter.next() {
|
||
let (prefix, mut docids) = result?;
|
||
let prefix = prefix.to_owned();
|
||
let previous_len = docids.len();
|
||
docids -= to_remove;
|
||
if docids.is_empty() {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
prefixes_to_delete.insert(prefix)?;
|
||
} else if docids.len() != previous_len {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.put_current(&prefix, &docids)? };
|
||
}
|
||
}
|
||
|
||
Ok(prefixes_to_delete.into_set())
|
||
}
|
||
|
||
fn remove_from_word_docids(
|
||
txn: &mut heed::RwTxn,
|
||
db: &heed::Database<Str, RoaringBitmapCodec>,
|
||
word: &str,
|
||
must_remove: &mut bool,
|
||
to_remove: &RoaringBitmap,
|
||
) -> Result<()> {
|
||
// We create an iterator to be able to get the content and delete the word docids.
|
||
// It's faster to acquire a cursor to get and delete or put, as we avoid traversing
|
||
// the LMDB B-Tree two times but only once.
|
||
let mut iter = db.prefix_iter_mut(txn, &word)?;
|
||
if let Some((key, mut docids)) = iter.next().transpose()? {
|
||
if key == word {
|
||
let previous_len = docids.len();
|
||
docids -= to_remove;
|
||
if docids.is_empty() {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
*must_remove = true;
|
||
} else if docids.len() != previous_len {
|
||
let key = key.to_owned();
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.put_current(&key, &docids)? };
|
||
}
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
fn remove_docids_from_field_id_docid_facet_value<'a, C, K, F, DC, V>(
|
||
wtxn: &'a mut heed::RwTxn,
|
||
db: &heed::Database<C, DC>,
|
||
field_id: FieldId,
|
||
to_remove: &RoaringBitmap,
|
||
convert: F,
|
||
) -> heed::Result<()>
|
||
where
|
||
C: heed::BytesDecode<'a, DItem = K>,
|
||
DC: heed::BytesDecode<'a, DItem = V>,
|
||
F: Fn(K) -> DocumentId,
|
||
{
|
||
let mut iter = db
|
||
.remap_key_type::<ByteSlice>()
|
||
.prefix_iter_mut(wtxn, &field_id.to_be_bytes())?
|
||
.remap_key_type::<C>();
|
||
|
||
while let Some(result) = iter.next() {
|
||
let (key, _) = result?;
|
||
if to_remove.contains(convert(key)) {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
fn remove_docids_from_facet_field_id_string_docids<'a, C, D>(
|
||
wtxn: &'a mut heed::RwTxn,
|
||
db: &heed::Database<C, D>,
|
||
to_remove: &RoaringBitmap,
|
||
) -> crate::Result<()> {
|
||
let db_name = Some(crate::index::db_name::FACET_ID_STRING_DOCIDS);
|
||
let mut iter = db.remap_types::<ByteSlice, ByteSlice>().iter_mut(wtxn)?;
|
||
while let Some(result) = iter.next() {
|
||
let (key, val) = result?;
|
||
match FacetLevelValueU32Codec::bytes_decode(key) {
|
||
Some(_) => {
|
||
// If we are able to parse this key it means it is a facet string group
|
||
// level key. We must then parse the value using the appropriate codec.
|
||
let (group, mut docids) =
|
||
FacetStringZeroBoundsValueCodec::<CboRoaringBitmapCodec>::bytes_decode(val)
|
||
.ok_or_else(|| SerializationError::Decoding { db_name })?;
|
||
|
||
let previous_len = docids.len();
|
||
docids -= to_remove;
|
||
if docids.is_empty() {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
} else if docids.len() != previous_len {
|
||
let key = key.to_owned();
|
||
let val = &(group, docids);
|
||
let value_bytes =
|
||
FacetStringZeroBoundsValueCodec::<CboRoaringBitmapCodec>::bytes_encode(val)
|
||
.ok_or_else(|| SerializationError::Encoding { db_name })?;
|
||
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.put_current(&key, &value_bytes)? };
|
||
}
|
||
}
|
||
None => {
|
||
// The key corresponds to a level zero facet string.
|
||
let (original_value, mut docids) =
|
||
FacetStringLevelZeroValueCodec::bytes_decode(val)
|
||
.ok_or_else(|| SerializationError::Decoding { db_name })?;
|
||
|
||
let previous_len = docids.len();
|
||
docids -= to_remove;
|
||
if docids.is_empty() {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
} else if docids.len() != previous_len {
|
||
let key = key.to_owned();
|
||
let val = &(original_value, docids);
|
||
let value_bytes = FacetStringLevelZeroValueCodec::bytes_encode(val)
|
||
.ok_or_else(|| SerializationError::Encoding { db_name })?;
|
||
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.put_current(&key, &value_bytes)? };
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
fn remove_docids_from_facet_field_id_docids<'a, C>(
|
||
wtxn: &'a mut heed::RwTxn,
|
||
db: &heed::Database<C, CboRoaringBitmapCodec>,
|
||
to_remove: &RoaringBitmap,
|
||
) -> heed::Result<()>
|
||
where
|
||
C: heed::BytesDecode<'a> + heed::BytesEncode<'a>,
|
||
{
|
||
let mut iter = db.remap_key_type::<ByteSlice>().iter_mut(wtxn)?;
|
||
while let Some(result) = iter.next() {
|
||
let (bytes, mut docids) = result?;
|
||
let previous_len = docids.len();
|
||
docids -= to_remove;
|
||
if docids.is_empty() {
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.del_current()? };
|
||
} else if docids.len() != previous_len {
|
||
let bytes = bytes.to_owned();
|
||
// safety: we don't keep references from inside the LMDB database.
|
||
unsafe { iter.put_current(&bytes, &docids)? };
|
||
}
|
||
}
|
||
|
||
Ok(())
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use big_s::S;
|
||
use heed::RwTxn;
|
||
use maplit::hashset;
|
||
|
||
use super::*;
|
||
use crate::index::tests::TempIndex;
|
||
use crate::Filter;
|
||
|
||
fn delete_documents<'t>(
|
||
wtxn: &mut RwTxn<'t, '_>,
|
||
index: &'t Index,
|
||
external_ids: &[&str],
|
||
) -> Vec<u32> {
|
||
let external_document_ids = index.external_documents_ids(&wtxn).unwrap();
|
||
let ids_to_delete: Vec<u32> = external_ids
|
||
.iter()
|
||
.map(|id| external_document_ids.get(id.as_bytes()).unwrap())
|
||
.collect();
|
||
|
||
// Delete some documents.
|
||
let mut builder = DeleteDocuments::new(wtxn, index).unwrap();
|
||
external_ids.iter().for_each(|id| drop(builder.delete_external_id(id)));
|
||
builder.execute().unwrap();
|
||
|
||
ids_to_delete
|
||
}
|
||
|
||
#[test]
|
||
fn delete_documents_with_numbers_as_primary_key() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{ "id": 0, "name": "kevin", "object": { "key1": "value1", "key2": "value2" } },
|
||
{ "id": 1, "name": "kevina", "array": ["I", "am", "fine"] },
|
||
{ "id": 2, "name": "benoit", "array_of_object": [{ "wow": "amazing" }] }
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
// delete those documents, ids are synchronous therefore 0, 1, and 2.
|
||
let mut builder = DeleteDocuments::new(&mut wtxn, &index).unwrap();
|
||
builder.delete_document(0);
|
||
builder.delete_document(1);
|
||
builder.delete_document(2);
|
||
builder.execute().unwrap();
|
||
|
||
wtxn.commit().unwrap();
|
||
|
||
let rtxn = index.read_txn().unwrap();
|
||
|
||
assert!(index.field_distribution(&rtxn).unwrap().is_empty());
|
||
}
|
||
|
||
#[test]
|
||
fn delete_documents_with_strange_primary_key() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{ "mysuperid": 0, "name": "kevin" },
|
||
{ "mysuperid": 1, "name": "kevina" },
|
||
{ "mysuperid": 2, "name": "benoit" }
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
// Delete not all of the documents but some of them.
|
||
let mut builder = DeleteDocuments::new(&mut wtxn, &index).unwrap();
|
||
builder.delete_external_id("0");
|
||
builder.delete_external_id("1");
|
||
builder.execute().unwrap();
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn filtered_placeholder_search_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("docid"));
|
||
settings.set_filterable_fields(hashset! { S("label") });
|
||
})
|
||
.unwrap();
|
||
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{ "docid": "1_4", "label": "sign" },
|
||
{ "docid": "1_5", "label": "letter" },
|
||
{ "docid": "1_7", "label": "abstract,cartoon,design,pattern" },
|
||
{ "docid": "1_36", "label": "drawing,painting,pattern" },
|
||
{ "docid": "1_37", "label": "art,drawing,outdoor" },
|
||
{ "docid": "1_38", "label": "aquarium,art,drawing" },
|
||
{ "docid": "1_39", "label": "abstract" },
|
||
{ "docid": "1_40", "label": "cartoon" },
|
||
{ "docid": "1_41", "label": "art,drawing" },
|
||
{ "docid": "1_42", "label": "art,pattern" },
|
||
{ "docid": "1_43", "label": "abstract,art,drawing,pattern" },
|
||
{ "docid": "1_44", "label": "drawing" },
|
||
{ "docid": "1_45", "label": "art" },
|
||
{ "docid": "1_46", "label": "abstract,colorfulness,pattern" },
|
||
{ "docid": "1_47", "label": "abstract,pattern" },
|
||
{ "docid": "1_52", "label": "abstract,cartoon" },
|
||
{ "docid": "1_57", "label": "abstract,drawing,pattern" },
|
||
{ "docid": "1_58", "label": "abstract,art,cartoon" },
|
||
{ "docid": "1_68", "label": "design" },
|
||
{ "docid": "1_69", "label": "geometry" }
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
delete_documents(&mut wtxn, &index, &["1_4"]);
|
||
|
||
// Placeholder search with filter
|
||
let filter = Filter::from_str("label = sign").unwrap().unwrap();
|
||
let results = index.search(&wtxn).filter(filter).execute().unwrap();
|
||
assert!(results.documents_ids.is_empty());
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn placeholder_search_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("docid"));
|
||
})
|
||
.unwrap();
|
||
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{ "docid": "1_4", "label": "sign" },
|
||
{ "docid": "1_5", "label": "letter" },
|
||
{ "docid": "1_7", "label": "abstract,cartoon,design,pattern" },
|
||
{ "docid": "1_36", "label": "drawing,painting,pattern" },
|
||
{ "docid": "1_37", "label": "art,drawing,outdoor" },
|
||
{ "docid": "1_38", "label": "aquarium,art,drawing" },
|
||
{ "docid": "1_39", "label": "abstract" },
|
||
{ "docid": "1_40", "label": "cartoon" },
|
||
{ "docid": "1_41", "label": "art,drawing" },
|
||
{ "docid": "1_42", "label": "art,pattern" },
|
||
{ "docid": "1_43", "label": "abstract,art,drawing,pattern" },
|
||
{ "docid": "1_44", "label": "drawing" },
|
||
{ "docid": "1_45", "label": "art" },
|
||
{ "docid": "1_46", "label": "abstract,colorfulness,pattern" },
|
||
{ "docid": "1_47", "label": "abstract,pattern" },
|
||
{ "docid": "1_52", "label": "abstract,cartoon" },
|
||
{ "docid": "1_57", "label": "abstract,drawing,pattern" },
|
||
{ "docid": "1_58", "label": "abstract,art,cartoon" },
|
||
{ "docid": "1_68", "label": "design" },
|
||
{ "docid": "1_69", "label": "geometry" }
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
let deleted_internal_ids = delete_documents(&mut wtxn, &index, &["1_4"]);
|
||
|
||
// Placeholder search
|
||
let results = index.search(&wtxn).execute().unwrap();
|
||
assert!(!results.documents_ids.is_empty());
|
||
for id in results.documents_ids.iter() {
|
||
assert!(
|
||
!deleted_internal_ids.contains(&id),
|
||
"The document {} was supposed to be deleted",
|
||
id
|
||
);
|
||
}
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn search_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("docid"));
|
||
})
|
||
.unwrap();
|
||
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{"docid": "1_4", "label": "sign"},
|
||
{"docid": "1_5", "label": "letter"},
|
||
{"docid": "1_7", "label": "abstract,cartoon,design,pattern"},
|
||
{"docid": "1_36","label": "drawing,painting,pattern"},
|
||
{"docid": "1_37","label": "art,drawing,outdoor"},
|
||
{"docid": "1_38","label": "aquarium,art,drawing"},
|
||
{"docid": "1_39","label": "abstract"},
|
||
{"docid": "1_40","label": "cartoon"},
|
||
{"docid": "1_41","label": "art,drawing"},
|
||
{"docid": "1_42","label": "art,pattern"},
|
||
{"docid": "1_43","label": "abstract,art,drawing,pattern"},
|
||
{"docid": "1_44","label": "drawing"},
|
||
{"docid": "1_45","label": "art"},
|
||
{"docid": "1_46","label": "abstract,colorfulness,pattern"},
|
||
{"docid": "1_47","label": "abstract,pattern"},
|
||
{"docid": "1_52","label": "abstract,cartoon"},
|
||
{"docid": "1_57","label": "abstract,drawing,pattern"},
|
||
{"docid": "1_58","label": "abstract,art,cartoon"},
|
||
{"docid": "1_68","label": "design"},
|
||
{"docid": "1_69","label": "geometry"}
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
let deleted_internal_ids = delete_documents(&mut wtxn, &index, &["1_7", "1_52"]);
|
||
|
||
// search for abstract
|
||
let results = index.search(&wtxn).query("abstract").execute().unwrap();
|
||
assert!(!results.documents_ids.is_empty());
|
||
for id in results.documents_ids.iter() {
|
||
assert!(
|
||
!deleted_internal_ids.contains(&id),
|
||
"The document {} was supposed to be deleted",
|
||
id
|
||
);
|
||
}
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn geo_filtered_placeholder_search_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("id"));
|
||
settings.set_filterable_fields(hashset!(S("_geo")));
|
||
settings.set_sortable_fields(hashset!(S("_geo")));
|
||
})
|
||
.unwrap();
|
||
|
||
index.add_documents_using_wtxn(&mut wtxn, documents!([
|
||
{ "id": "1", "city": "Lille", "_geo": { "lat": 50.6299, "lng": 3.0569 } },
|
||
{ "id": "2", "city": "Mons-en-Barœul", "_geo": { "lat": 50.6415, "lng": 3.1106 } },
|
||
{ "id": "3", "city": "Hellemmes", "_geo": { "lat": 50.6312, "lng": 3.1106 } },
|
||
{ "id": "4", "city": "Villeneuve-d'Ascq", "_geo": { "lat": 50.6224, "lng": 3.1476 } },
|
||
{ "id": "5", "city": "Hem", "_geo": { "lat": 50.6552, "lng": 3.1897 } },
|
||
{ "id": "6", "city": "Roubaix", "_geo": { "lat": 50.6924, "lng": 3.1763 } },
|
||
{ "id": "7", "city": "Tourcoing", "_geo": { "lat": 50.7263, "lng": 3.1541 } },
|
||
{ "id": "8", "city": "Mouscron", "_geo": { "lat": 50.7453, "lng": 3.2206 } },
|
||
{ "id": "9", "city": "Tournai", "_geo": { "lat": 50.6053, "lng": 3.3758 } },
|
||
{ "id": "10", "city": "Ghent", "_geo": { "lat": 51.0537, "lng": 3.6957 } },
|
||
{ "id": "11", "city": "Brussels", "_geo": { "lat": 50.8466, "lng": 4.3370 } },
|
||
{ "id": "12", "city": "Charleroi", "_geo": { "lat": 50.4095, "lng": 4.4347 } },
|
||
{ "id": "13", "city": "Mons", "_geo": { "lat": 50.4502, "lng": 3.9623 } },
|
||
{ "id": "14", "city": "Valenciennes", "_geo": { "lat": 50.3518, "lng": 3.5326 } },
|
||
{ "id": "15", "city": "Arras", "_geo": { "lat": 50.2844, "lng": 2.7637 } },
|
||
{ "id": "16", "city": "Cambrai", "_geo": { "lat": 50.1793, "lng": 3.2189 } },
|
||
{ "id": "17", "city": "Bapaume", "_geo": { "lat": 50.1112, "lng": 2.8547 } },
|
||
{ "id": "18", "city": "Amiens", "_geo": { "lat": 49.9314, "lng": 2.2710 } },
|
||
{ "id": "19", "city": "Compiègne", "_geo": { "lat": 49.4449, "lng": 2.7913 } },
|
||
{ "id": "20", "city": "Paris", "_geo": { "lat": 48.9021, "lng": 2.3708 } }
|
||
])).unwrap();
|
||
|
||
let external_ids_to_delete = ["5", "6", "7", "12", "17", "19"];
|
||
let deleted_internal_ids = delete_documents(&mut wtxn, &index, &external_ids_to_delete);
|
||
|
||
// Placeholder search with geo filter
|
||
let filter = Filter::from_str("_geoRadius(50.6924, 3.1763, 20000)").unwrap().unwrap();
|
||
let results = index.search(&wtxn).filter(filter).execute().unwrap();
|
||
assert!(!results.documents_ids.is_empty());
|
||
for id in results.documents_ids.iter() {
|
||
assert!(
|
||
!deleted_internal_ids.contains(&id),
|
||
"The document {} was supposed to be deleted",
|
||
id
|
||
);
|
||
}
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn get_documents_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("docid"));
|
||
})
|
||
.unwrap();
|
||
|
||
index
|
||
.add_documents_using_wtxn(
|
||
&mut wtxn,
|
||
documents!([
|
||
{ "docid": "1_4", "label": "sign" },
|
||
{ "docid": "1_5", "label": "letter" },
|
||
{ "docid": "1_7", "label": "abstract,cartoon,design,pattern" },
|
||
{ "docid": "1_36", "label": "drawing,painting,pattern" },
|
||
{ "docid": "1_37", "label": "art,drawing,outdoor" },
|
||
{ "docid": "1_38", "label": "aquarium,art,drawing" },
|
||
{ "docid": "1_39", "label": "abstract" },
|
||
{ "docid": "1_40", "label": "cartoon" },
|
||
{ "docid": "1_41", "label": "art,drawing" },
|
||
{ "docid": "1_42", "label": "art,pattern" },
|
||
{ "docid": "1_43", "label": "abstract,art,drawing,pattern" },
|
||
{ "docid": "1_44", "label": "drawing" },
|
||
{ "docid": "1_45", "label": "art" },
|
||
{ "docid": "1_46", "label": "abstract,colorfulness,pattern" },
|
||
{ "docid": "1_47", "label": "abstract,pattern" },
|
||
{ "docid": "1_52", "label": "abstract,cartoon" },
|
||
{ "docid": "1_57", "label": "abstract,drawing,pattern" },
|
||
{ "docid": "1_58", "label": "abstract,art,cartoon" },
|
||
{ "docid": "1_68", "label": "design" },
|
||
{ "docid": "1_69", "label": "geometry" }
|
||
]),
|
||
)
|
||
.unwrap();
|
||
|
||
let deleted_external_ids = ["1_7", "1_52"];
|
||
let deleted_internal_ids = delete_documents(&mut wtxn, &index, &deleted_external_ids);
|
||
|
||
// list all documents
|
||
let results = index.all_documents(&wtxn).unwrap();
|
||
for result in results {
|
||
let (id, _) = result.unwrap();
|
||
assert!(
|
||
!deleted_internal_ids.contains(&id),
|
||
"The document {} was supposed to be deleted",
|
||
id
|
||
);
|
||
}
|
||
|
||
// list internal document ids
|
||
let results = index.documents_ids(&wtxn).unwrap();
|
||
for id in results {
|
||
assert!(
|
||
!deleted_internal_ids.contains(&id),
|
||
"The document {} was supposed to be deleted",
|
||
id
|
||
);
|
||
}
|
||
|
||
// get internal docids from deleted external document ids
|
||
let results = index.external_documents_ids(&wtxn).unwrap();
|
||
for id in deleted_external_ids {
|
||
assert!(results.get(id).is_none(), "The document {} was supposed to be deleted", id);
|
||
}
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn stats_should_not_return_deleted_documents() {
|
||
let index = TempIndex::new();
|
||
|
||
let mut wtxn = index.write_txn().unwrap();
|
||
|
||
index
|
||
.update_settings_using_wtxn(&mut wtxn, |settings| {
|
||
settings.set_primary_key(S("docid"));
|
||
})
|
||
.unwrap();
|
||
|
||
index.add_documents_using_wtxn(&mut wtxn, documents!([
|
||
{ "docid": "1_4", "label": "sign"},
|
||
{ "docid": "1_5", "label": "letter"},
|
||
{ "docid": "1_7", "label": "abstract,cartoon,design,pattern", "title": "Mickey Mouse"},
|
||
{ "docid": "1_36", "label": "drawing,painting,pattern"},
|
||
{ "docid": "1_37", "label": "art,drawing,outdoor"},
|
||
{ "docid": "1_38", "label": "aquarium,art,drawing", "title": "Nemo"},
|
||
{ "docid": "1_39", "label": "abstract"},
|
||
{ "docid": "1_40", "label": "cartoon"},
|
||
{ "docid": "1_41", "label": "art,drawing"},
|
||
{ "docid": "1_42", "label": "art,pattern"},
|
||
{ "docid": "1_43", "label": "abstract,art,drawing,pattern", "number": 32i32},
|
||
{ "docid": "1_44", "label": "drawing", "number": 44i32},
|
||
{ "docid": "1_45", "label": "art"},
|
||
{ "docid": "1_46", "label": "abstract,colorfulness,pattern"},
|
||
{ "docid": "1_47", "label": "abstract,pattern"},
|
||
{ "docid": "1_52", "label": "abstract,cartoon"},
|
||
{ "docid": "1_57", "label": "abstract,drawing,pattern"},
|
||
{ "docid": "1_58", "label": "abstract,art,cartoon"},
|
||
{ "docid": "1_68", "label": "design"},
|
||
{ "docid": "1_69", "label": "geometry"}
|
||
])).unwrap();
|
||
|
||
delete_documents(&mut wtxn, &index, &["1_7", "1_52"]);
|
||
|
||
// count internal documents
|
||
let results = index.number_of_documents(&wtxn).unwrap();
|
||
assert_eq!(18, results);
|
||
|
||
// count field distribution
|
||
let results = index.field_distribution(&wtxn).unwrap();
|
||
assert_eq!(Some(&18), results.get("label"));
|
||
assert_eq!(Some(&1), results.get("title"));
|
||
assert_eq!(Some(&2), results.get("number"));
|
||
|
||
wtxn.commit().unwrap();
|
||
}
|
||
}
|