searchengines-web/MeiliSearch
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MeiliSearch
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MeiliSearch/milli/src/index.rs

1430 lines
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Rust
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use std::borrow::Cow;
use std::collections::{HashMap, HashSet};
use std::fs::File;
use std::mem::size_of;
use std::path::Path;
use heed::flags::Flags;
use heed::types::*;
use heed::{CompactionOption, Database, PolyDatabase, RoTxn, RwTxn};
use roaring::RoaringBitmap;
use rstar::RTree;
use time::OffsetDateTime;
use crate::error::{InternalError, UserError};
use crate::fields_ids_map::FieldsIdsMap;
use crate::heed_codec::facet::{
FacetLevelValueF64Codec, FacetStringLevelZeroCodec, FacetStringLevelZeroValueCodec,
FieldDocIdFacetF64Codec, FieldDocIdFacetStringCodec, FieldIdCodec,
};
use crate::{
default_criteria, BEU32StrCodec, BoRoaringBitmapCodec, CboRoaringBitmapCodec, Criterion,
DocumentId, ExternalDocumentsIds, FacetDistribution, FieldDistribution, FieldId,
FieldIdWordCountCodec, GeoPoint, ObkvCodec, Result, RoaringBitmapCodec, RoaringBitmapLenCodec,
Search, StrBEU32Codec, StrStrU8Codec, BEU32,
};
pub const DEFAULT_MIN_WORD_LEN_ONE_TYPO: u8 = 5;
pub const DEFAULT_MIN_WORD_LEN_TWO_TYPOS: u8 = 9;
pub mod main_key {
pub const CRITERIA_KEY: &str = "criteria";
pub const DISPLAYED_FIELDS_KEY: &str = "displayed-fields";
pub const DISTINCT_FIELD_KEY: &str = "distinct-field-key";
pub const DOCUMENTS_IDS_KEY: &str = "documents-ids";
pub const SOFT_DELETED_DOCUMENTS_IDS_KEY: &str = "soft-deleted-documents-ids";
pub const HIDDEN_FACETED_FIELDS_KEY: &str = "hidden-faceted-fields";
pub const FILTERABLE_FIELDS_KEY: &str = "filterable-fields";
pub const SORTABLE_FIELDS_KEY: &str = "sortable-fields";
pub const FIELD_DISTRIBUTION_KEY: &str = "fields-distribution";
pub const FIELDS_IDS_MAP_KEY: &str = "fields-ids-map";
pub const GEO_FACETED_DOCUMENTS_IDS_KEY: &str = "geo-faceted-documents-ids";
pub const GEO_RTREE_KEY: &str = "geo-rtree";
pub const HARD_EXTERNAL_DOCUMENTS_IDS_KEY: &str = "hard-external-documents-ids";
pub const NUMBER_FACETED_DOCUMENTS_IDS_PREFIX: &str = "number-faceted-documents-ids";
pub const PRIMARY_KEY_KEY: &str = "primary-key";
pub const SEARCHABLE_FIELDS_KEY: &str = "searchable-fields";
pub const USER_DEFINED_SEARCHABLE_FIELDS_KEY: &str = "user-defined-searchable-fields";
pub const SOFT_EXTERNAL_DOCUMENTS_IDS_KEY: &str = "soft-external-documents-ids";
pub const STOP_WORDS_KEY: &str = "stop-words";
pub const STRING_FACETED_DOCUMENTS_IDS_PREFIX: &str = "string-faceted-documents-ids";
pub const SYNONYMS_KEY: &str = "synonyms";
pub const WORDS_FST_KEY: &str = "words-fst";
pub const WORDS_PREFIXES_FST_KEY: &str = "words-prefixes-fst";
pub const CREATED_AT_KEY: &str = "created-at";
pub const UPDATED_AT_KEY: &str = "updated-at";
pub const AUTHORIZE_TYPOS: &str = "authorize-typos";
pub const ONE_TYPO_WORD_LEN: &str = "one-typo-word-len";
pub const TWO_TYPOS_WORD_LEN: &str = "two-typos-word-len";
pub const EXACT_WORDS: &str = "exact-words";
pub const EXACT_ATTRIBUTES: &str = "exact-attributes";
pub const MAX_VALUES_PER_FACET: &str = "max-values-per-facet";
pub const PAGINATION_MAX_TOTAL_HITS: &str = "pagination-max-total-hits";
}
pub mod db_name {
pub const MAIN: &str = "main";
pub const WORD_DOCIDS: &str = "word-docids";
pub const EXACT_WORD_DOCIDS: &str = "exact-word-docids";
pub const WORD_PREFIX_DOCIDS: &str = "word-prefix-docids";
pub const EXACT_WORD_PREFIX_DOCIDS: &str = "exact-word-prefix-docids";
pub const DOCID_WORD_POSITIONS: &str = "docid-word-positions";
pub const WORD_PAIR_PROXIMITY_DOCIDS: &str = "word-pair-proximity-docids";
pub const WORD_PREFIX_PAIR_PROXIMITY_DOCIDS: &str = "word-prefix-pair-proximity-docids";
pub const WORD_POSITION_DOCIDS: &str = "word-position-docids";
pub const WORD_PREFIX_POSITION_DOCIDS: &str = "word-prefix-position-docids";
pub const FIELD_ID_WORD_COUNT_DOCIDS: &str = "field-id-word-count-docids";
pub const FACET_ID_F64_DOCIDS: &str = "facet-id-f64-docids";
pub const FACET_ID_EXISTS_DOCIDS: &str = "facet-id-exists-docids";
pub const FACET_ID_STRING_DOCIDS: &str = "facet-id-string-docids";
pub const FIELD_ID_DOCID_FACET_F64S: &str = "field-id-docid-facet-f64s";
pub const FIELD_ID_DOCID_FACET_STRINGS: &str = "field-id-docid-facet-strings";
pub const DOCUMENTS: &str = "documents";
}
#[derive(Clone)]
pub struct Index {
/// The LMDB environment which this index is associated with.
pub(crate) env: heed::Env,
/// Contains many different types (e.g. the fields ids map).
pub(crate) main: PolyDatabase,
/// A word and all the documents ids containing the word.
pub word_docids: Database<Str, RoaringBitmapCodec>,
/// A word and all the documents ids containing the word, from attributes for which typos are not allowed.
pub exact_word_docids: Database<Str, RoaringBitmapCodec>,
/// A prefix of word and all the documents ids containing this prefix.
pub word_prefix_docids: Database<Str, RoaringBitmapCodec>,
/// A prefix of word and all the documents ids containing this prefix, from attributes for which typos are not allowed.
pub exact_word_prefix_docids: Database<Str, RoaringBitmapCodec>,
/// Maps a word and a document id (u32) to all the positions where the given word appears.
pub docid_word_positions: Database<BEU32StrCodec, BoRoaringBitmapCodec>,
/// Maps the proximity between a pair of words with all the docids where this relation appears.
pub word_pair_proximity_docids: Database<StrStrU8Codec, CboRoaringBitmapCodec>,
/// Maps the proximity between a pair of word and prefix with all the docids where this relation appears.
pub word_prefix_pair_proximity_docids: Database<StrStrU8Codec, CboRoaringBitmapCodec>,
/// Maps the word and the position with the docids that corresponds to it.
pub word_position_docids: Database<StrBEU32Codec, CboRoaringBitmapCodec>,
/// Maps the field id and the word count with the docids that corresponds to it.
pub field_id_word_count_docids: Database<FieldIdWordCountCodec, CboRoaringBitmapCodec>,
/// Maps the position of a word prefix with all the docids where this prefix appears.
pub word_prefix_position_docids: Database<StrBEU32Codec, CboRoaringBitmapCodec>,
/// Maps the facet field id and the docids for which this field exists
pub facet_id_exists_docids: Database<FieldIdCodec, CboRoaringBitmapCodec>,
/// Maps the facet field id, level and the number with the docids that corresponds to it.
pub facet_id_f64_docids: Database<FacetLevelValueF64Codec, CboRoaringBitmapCodec>,
/// Maps the facet field id and the string with the original string and docids that corresponds to it.
pub facet_id_string_docids: Database<FacetStringLevelZeroCodec, FacetStringLevelZeroValueCodec>,
/// Maps the document id, the facet field id and the numbers.
pub field_id_docid_facet_f64s: Database<FieldDocIdFacetF64Codec, Unit>,
/// Maps the document id, the facet field id and the strings.
pub field_id_docid_facet_strings: Database<FieldDocIdFacetStringCodec, Str>,
/// Maps the document id to the document as an obkv store.
pub(crate) documents: Database<OwnedType<BEU32>, ObkvCodec>,
}
impl Index {
pub fn new<P: AsRef<Path>>(mut options: heed::EnvOpenOptions, path: P) -> Result<Index> {
use db_name::*;
options.max_dbs(17);
unsafe { options.flag(Flags::MdbAlwaysFreePages) };
let env = options.open(path)?;
let main = env.create_poly_database(Some(MAIN))?;
let word_docids = env.create_database(Some(WORD_DOCIDS))?;
let exact_word_docids = env.create_database(Some(EXACT_WORD_DOCIDS))?;
let word_prefix_docids = env.create_database(Some(WORD_PREFIX_DOCIDS))?;
let exact_word_prefix_docids = env.create_database(Some(EXACT_WORD_PREFIX_DOCIDS))?;
let docid_word_positions = env.create_database(Some(DOCID_WORD_POSITIONS))?;
let word_pair_proximity_docids = env.create_database(Some(WORD_PAIR_PROXIMITY_DOCIDS))?;
let word_prefix_pair_proximity_docids =
env.create_database(Some(WORD_PREFIX_PAIR_PROXIMITY_DOCIDS))?;
let word_position_docids = env.create_database(Some(WORD_POSITION_DOCIDS))?;
let field_id_word_count_docids = env.create_database(Some(FIELD_ID_WORD_COUNT_DOCIDS))?;
let word_prefix_position_docids = env.create_database(Some(WORD_PREFIX_POSITION_DOCIDS))?;
let facet_id_f64_docids = env.create_database(Some(FACET_ID_F64_DOCIDS))?;
let facet_id_string_docids = env.create_database(Some(FACET_ID_STRING_DOCIDS))?;
let facet_id_exists_docids: Database<FieldIdCodec, CboRoaringBitmapCodec> =
env.create_database(Some(FACET_ID_EXISTS_DOCIDS))?;
let field_id_docid_facet_f64s = env.create_database(Some(FIELD_ID_DOCID_FACET_F64S))?;
let field_id_docid_facet_strings =
env.create_database(Some(FIELD_ID_DOCID_FACET_STRINGS))?;
let documents = env.create_database(Some(DOCUMENTS))?;
Index::initialize_creation_dates(&env, main)?;
Ok(Index {
env,
main,
word_docids,
exact_word_docids,
word_prefix_docids,
exact_word_prefix_docids,
docid_word_positions,
word_pair_proximity_docids,
word_prefix_pair_proximity_docids,
word_position_docids,
word_prefix_position_docids,
field_id_word_count_docids,
facet_id_f64_docids,
facet_id_string_docids,
facet_id_exists_docids,
field_id_docid_facet_f64s,
field_id_docid_facet_strings,
documents,
})
}
fn initialize_creation_dates(env: &heed::Env, main: PolyDatabase) -> heed::Result<()> {
let mut txn = env.write_txn()?;
// The db was just created, we update its metadata with the relevant information.
if main.get::<_, Str, SerdeJson<OffsetDateTime>>(&txn, main_key::CREATED_AT_KEY)?.is_none()
{
let now = OffsetDateTime::now_utc();
main.put::<_, Str, SerdeJson<OffsetDateTime>>(
&mut txn,
main_key::UPDATED_AT_KEY,
&now,
)?;
main.put::<_, Str, SerdeJson<OffsetDateTime>>(
&mut txn,
main_key::CREATED_AT_KEY,
&now,
)?;
txn.commit()?;
}
Ok(())
}
/// Create a write transaction to be able to write into the index.
pub fn write_txn(&self) -> heed::Result<RwTxn> {
self.env.write_txn()
}
/// Create a read transaction to be able to read the index.
pub fn read_txn(&self) -> heed::Result<RoTxn> {
self.env.read_txn()
}
/// Returns the canonicalized path where the heed `Env` of this `Index` lives.
pub fn path(&self) -> &Path {
self.env.path()
}
pub fn copy_to_path<P: AsRef<Path>>(&self, path: P, option: CompactionOption) -> Result<File> {
self.env.copy_to_path(path, option).map_err(Into::into)
}
/// Returns an `EnvClosingEvent` that can be used to wait for the closing event,
/// multiple threads can wait on this event.
///
/// Make sure that you drop all the copies of `Index`es you have, env closing are triggered
/// when all references are dropped, the last one will eventually close the environment.
pub fn prepare_for_closing(self) -> heed::EnvClosingEvent {
self.env.prepare_for_closing()
}
/* documents ids */
/// Writes the documents ids that corresponds to the user-ids-documents-ids FST.
pub(crate) fn put_documents_ids(
&self,
wtxn: &mut RwTxn,
docids: &RoaringBitmap,
) -> heed::Result<()> {
self.main.put::<_, Str, RoaringBitmapCodec>(wtxn, main_key::DOCUMENTS_IDS_KEY, docids)
}
/// Returns the internal documents ids.
pub fn documents_ids(&self, rtxn: &RoTxn) -> heed::Result<RoaringBitmap> {
Ok(self
.main
.get::<_, Str, RoaringBitmapCodec>(rtxn, main_key::DOCUMENTS_IDS_KEY)?
.unwrap_or_default())
}
/// Returns the number of documents indexed in the database.
pub fn number_of_documents(&self, rtxn: &RoTxn) -> Result<u64> {
let count =
self.main.get::<_, Str, RoaringBitmapLenCodec>(rtxn, main_key::DOCUMENTS_IDS_KEY)?;
Ok(count.unwrap_or_default())
}
/* deleted documents ids */
/// Writes the soft deleted documents ids.
pub(crate) fn put_soft_deleted_documents_ids(
&self,
wtxn: &mut RwTxn,
docids: &RoaringBitmap,
) -> heed::Result<()> {
self.main.put::<_, Str, RoaringBitmapCodec>(
wtxn,
main_key::SOFT_DELETED_DOCUMENTS_IDS_KEY,
docids,
)
}
/// Returns the soft deleted documents ids.
pub(crate) fn soft_deleted_documents_ids(&self, rtxn: &RoTxn) -> heed::Result<RoaringBitmap> {
Ok(self
.main
.get::<_, Str, RoaringBitmapCodec>(rtxn, main_key::SOFT_DELETED_DOCUMENTS_IDS_KEY)?
.unwrap_or_default())
}
/* primary key */
/// Writes the documents primary key, this is the field name that is used to store the id.
pub(crate) fn put_primary_key(&self, wtxn: &mut RwTxn, primary_key: &str) -> heed::Result<()> {
self.set_updated_at(wtxn, &OffsetDateTime::now_utc())?;
self.main.put::<_, Str, Str>(wtxn, main_key::PRIMARY_KEY_KEY, &primary_key)
}
/// Deletes the primary key of the documents, this can be done to reset indexes settings.
pub(crate) fn delete_primary_key(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::PRIMARY_KEY_KEY)
}
/// Returns the documents primary key, `None` if it hasn't been defined.
pub fn primary_key<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<&'t str>> {
self.main.get::<_, Str, Str>(rtxn, main_key::PRIMARY_KEY_KEY)
}
/* external documents ids */
/// Writes the external documents ids and internal ids (i.e. `u32`).
pub(crate) fn put_external_documents_ids<'a>(
&self,
wtxn: &mut RwTxn,
external_documents_ids: &ExternalDocumentsIds<'a>,
) -> heed::Result<()> {
let ExternalDocumentsIds { hard, soft, .. } = external_documents_ids;
let hard = hard.as_fst().as_bytes();
let soft = soft.as_fst().as_bytes();
self.main.put::<_, Str, ByteSlice>(
wtxn,
main_key::HARD_EXTERNAL_DOCUMENTS_IDS_KEY,
hard,
)?;
self.main.put::<_, Str, ByteSlice>(
wtxn,
main_key::SOFT_EXTERNAL_DOCUMENTS_IDS_KEY,
soft,
)?;
Ok(())
}
/// Returns the external documents ids map which associate the external ids
/// with the internal ids (i.e. `u32`).
pub fn external_documents_ids<'t>(&self, rtxn: &'t RoTxn) -> Result<ExternalDocumentsIds<'t>> {
let hard =
self.main.get::<_, Str, ByteSlice>(rtxn, main_key::HARD_EXTERNAL_DOCUMENTS_IDS_KEY)?;
let soft =
self.main.get::<_, Str, ByteSlice>(rtxn, main_key::SOFT_EXTERNAL_DOCUMENTS_IDS_KEY)?;
let hard = match hard {
Some(hard) => fst::Map::new(hard)?.map_data(Cow::Borrowed)?,
None => fst::Map::default().map_data(Cow::Owned)?,
};
let soft = match soft {
Some(soft) => fst::Map::new(soft)?.map_data(Cow::Borrowed)?,
None => fst::Map::default().map_data(Cow::Owned)?,
};
let soft_deleted_docids = self.soft_deleted_documents_ids(rtxn)?;
Ok(ExternalDocumentsIds::new(hard, soft, soft_deleted_docids))
}
/* fields ids map */
/// Writes the fields ids map which associate the documents keys with an internal field id
/// (i.e. `u8`), this field id is used to identify fields in the obkv documents.
pub(crate) fn put_fields_ids_map(
&self,
wtxn: &mut RwTxn,
map: &FieldsIdsMap,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<FieldsIdsMap>>(wtxn, main_key::FIELDS_IDS_MAP_KEY, map)
}
/// Returns the fields ids map which associate the documents keys with an internal field id
/// (i.e. `u8`), this field id is used to identify fields in the obkv documents.
pub fn fields_ids_map(&self, rtxn: &RoTxn) -> heed::Result<FieldsIdsMap> {
Ok(self
.main
.get::<_, Str, SerdeJson<FieldsIdsMap>>(rtxn, main_key::FIELDS_IDS_MAP_KEY)?
.unwrap_or_default())
}
/* geo rtree */
/// Writes the provided `rtree` which associates coordinates to documents ids.
pub(crate) fn put_geo_rtree(
&self,
wtxn: &mut RwTxn,
rtree: &RTree<GeoPoint>,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeBincode<RTree<GeoPoint>>>(wtxn, main_key::GEO_RTREE_KEY, rtree)
}
/// Delete the `rtree` which associates coordinates to documents ids.
pub(crate) fn delete_geo_rtree(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::GEO_RTREE_KEY)
}
/// Returns the `rtree` which associates coordinates to documents ids.
pub fn geo_rtree<'t>(&self, rtxn: &'t RoTxn) -> Result<Option<RTree<GeoPoint>>> {
match self
.main
.get::<_, Str, SerdeBincode<RTree<GeoPoint>>>(rtxn, main_key::GEO_RTREE_KEY)?
{
Some(rtree) => Ok(Some(rtree)),
None => Ok(None),
}
}
/* geo faceted */
/// Writes the documents ids that are faceted with a _geo field.
pub(crate) fn put_geo_faceted_documents_ids(
&self,
wtxn: &mut RwTxn,
docids: &RoaringBitmap,
) -> heed::Result<()> {
self.main.put::<_, Str, RoaringBitmapCodec>(
wtxn,
main_key::GEO_FACETED_DOCUMENTS_IDS_KEY,
docids,
)
}
/// Delete the documents ids that are faceted with a _geo field.
pub(crate) fn delete_geo_faceted_documents_ids(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::GEO_FACETED_DOCUMENTS_IDS_KEY)
}
/// Retrieve all the documents ids that are faceted with a _geo field.
pub fn geo_faceted_documents_ids(&self, rtxn: &RoTxn) -> heed::Result<RoaringBitmap> {
match self
.main
.get::<_, Str, RoaringBitmapCodec>(rtxn, main_key::GEO_FACETED_DOCUMENTS_IDS_KEY)?
{
Some(docids) => Ok(docids),
None => Ok(RoaringBitmap::new()),
}
}
/* field distribution */
/// Writes the field distribution which associates every field name with
/// the number of times it occurs in the documents.
pub(crate) fn put_field_distribution(
&self,
wtxn: &mut RwTxn,
distribution: &FieldDistribution,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<FieldDistribution>>(
wtxn,
main_key::FIELD_DISTRIBUTION_KEY,
distribution,
)
}
/// Returns the field distribution which associates every field name with
/// the number of times it occurs in the documents.
pub fn field_distribution(&self, rtxn: &RoTxn) -> heed::Result<FieldDistribution> {
Ok(self
.main
.get::<_, Str, SerdeJson<FieldDistribution>>(rtxn, main_key::FIELD_DISTRIBUTION_KEY)?
.unwrap_or_default())
}
/* displayed fields */
/// Writes the fields that must be displayed in the defined order.
/// There must be not be any duplicate field id.
pub(crate) fn put_displayed_fields(
&self,
wtxn: &mut RwTxn,
fields: &[&str],
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeBincode<&[&str]>>(
wtxn,
main_key::DISPLAYED_FIELDS_KEY,
&fields,
)
}
/// Deletes the displayed fields ids, this will make the engine to display
/// all the documents attributes in the order of the `FieldsIdsMap`.
pub(crate) fn delete_displayed_fields(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::DISPLAYED_FIELDS_KEY)
}
/// Returns the displayed fields in the order they were set by the user. If it returns
/// `None` it means that all the attributes are set as displayed in the order of the `FieldsIdsMap`.
pub fn displayed_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<Vec<&'t str>>> {
self.main.get::<_, Str, SerdeBincode<Vec<&'t str>>>(rtxn, main_key::DISPLAYED_FIELDS_KEY)
}
/// Identical to `displayed_fields`, but returns the ids instead.
pub fn displayed_fields_ids(&self, rtxn: &RoTxn) -> Result<Option<Vec<FieldId>>> {
match self.displayed_fields(rtxn)? {
Some(fields) => {
let fields_ids_map = self.fields_ids_map(rtxn)?;
let mut fields_ids = Vec::new();
for name in fields.into_iter() {
if let Some(field_id) = fields_ids_map.id(name) {
fields_ids.push(field_id);
}
}
Ok(Some(fields_ids))
}
None => Ok(None),
}
}
/* searchable fields */
/// Write the user defined searchable fields and generate the real searchable fields from the specified fields ids map.
pub(crate) fn put_all_searchable_fields_from_fields_ids_map(
&self,
wtxn: &mut RwTxn,
user_fields: &[&str],
fields_ids_map: &FieldsIdsMap,
) -> heed::Result<()> {
// We can write the user defined searchable fields as-is.
self.put_user_defined_searchable_fields(wtxn, user_fields)?;
// Now we generate the real searchable fields:
// 1. Take the user defined searchable fields as-is to keep the priority defined by the attributes criterion.
// 2. Iterate over the user defined searchable fields.
// 3. If a user defined field is a subset of a field defined in the fields_ids_map
// (ie doggo.name is a subset of doggo) then we push it at the end of the fields.
let mut real_fields = user_fields.to_vec();
for field_from_map in fields_ids_map.names() {
for user_field in user_fields {
if crate::is_faceted_by(field_from_map, user_field)
&& !user_fields.contains(&field_from_map)
{
real_fields.push(field_from_map);
}
}
}
self.put_searchable_fields(wtxn, &real_fields)
}
pub(crate) fn delete_all_searchable_fields(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.delete_searchable_fields(wtxn)?;
self.delete_user_defined_searchable_fields(wtxn)
}
/// Writes the searchable fields, when this list is specified, only these are indexed.
fn put_searchable_fields(&self, wtxn: &mut RwTxn, fields: &[&str]) -> heed::Result<()> {
self.main.put::<_, Str, SerdeBincode<&[&str]>>(
wtxn,
main_key::SEARCHABLE_FIELDS_KEY,
&fields,
)
}
/// Deletes the searchable fields, when no fields are specified, all fields are indexed.
fn delete_searchable_fields(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::SEARCHABLE_FIELDS_KEY)
}
/// Returns the searchable fields, those are the fields that are indexed,
/// if the searchable fields aren't there it means that **all** the fields are indexed.
pub fn searchable_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<Vec<&'t str>>> {
self.main.get::<_, Str, SerdeBincode<Vec<&'t str>>>(rtxn, main_key::SEARCHABLE_FIELDS_KEY)
}
/// Identical to `searchable_fields`, but returns the ids instead.
pub fn searchable_fields_ids(&self, rtxn: &RoTxn) -> Result<Option<Vec<FieldId>>> {
match self.searchable_fields(rtxn)? {
Some(fields) => {
let fields_ids_map = self.fields_ids_map(rtxn)?;
let mut fields_ids = Vec::new();
for name in fields {
if let Some(field_id) = fields_ids_map.id(name) {
fields_ids.push(field_id);
}
}
Ok(Some(fields_ids))
}
None => Ok(None),
}
}
/// Writes the searchable fields, when this list is specified, only these are indexed.
pub(crate) fn put_user_defined_searchable_fields(
&self,
wtxn: &mut RwTxn,
fields: &[&str],
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeBincode<_>>(
wtxn,
main_key::USER_DEFINED_SEARCHABLE_FIELDS_KEY,
&fields,
)
}
/// Deletes the searchable fields, when no fields are specified, all fields are indexed.
pub(crate) fn delete_user_defined_searchable_fields(
&self,
wtxn: &mut RwTxn,
) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::USER_DEFINED_SEARCHABLE_FIELDS_KEY)
}
/// Returns the user defined searchable fields.
pub fn user_defined_searchable_fields<'t>(
&self,
rtxn: &'t RoTxn,
) -> heed::Result<Option<Vec<&'t str>>> {
self.main
.get::<_, Str, SerdeBincode<Vec<_>>>(rtxn, main_key::USER_DEFINED_SEARCHABLE_FIELDS_KEY)
}
/* filterable fields */
/// Writes the filterable fields names in the database.
pub(crate) fn put_filterable_fields(
&self,
wtxn: &mut RwTxn,
fields: &HashSet<String>,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<_>>(wtxn, main_key::FILTERABLE_FIELDS_KEY, fields)
}
/// Deletes the filterable fields ids in the database.
pub(crate) fn delete_filterable_fields(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::FILTERABLE_FIELDS_KEY)
}
/// Returns the filterable fields names.
pub fn filterable_fields(&self, rtxn: &RoTxn) -> heed::Result<HashSet<String>> {
Ok(self
.main
.get::<_, Str, SerdeJson<_>>(rtxn, main_key::FILTERABLE_FIELDS_KEY)?
.unwrap_or_default())
}
/// Identical to `filterable_fields`, but returns ids instead.
pub fn filterable_fields_ids(&self, rtxn: &RoTxn) -> Result<HashSet<FieldId>> {
let fields = self.filterable_fields(rtxn)?;
let fields_ids_map = self.fields_ids_map(rtxn)?;
let mut fields_ids = HashSet::new();
for name in fields {
if let Some(field_id) = fields_ids_map.id(&name) {
fields_ids.insert(field_id);
}
}
Ok(fields_ids)
}
/* sortable fields */
/// Writes the sortable fields names in the database.
pub(crate) fn put_sortable_fields(
&self,
wtxn: &mut RwTxn,
fields: &HashSet<String>,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<_>>(wtxn, main_key::SORTABLE_FIELDS_KEY, fields)
}
/// Deletes the sortable fields ids in the database.
pub(crate) fn delete_sortable_fields(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::SORTABLE_FIELDS_KEY)
}
/// Returns the sortable fields names.
pub fn sortable_fields(&self, rtxn: &RoTxn) -> heed::Result<HashSet<String>> {
Ok(self
.main
.get::<_, Str, SerdeJson<_>>(rtxn, main_key::SORTABLE_FIELDS_KEY)?
.unwrap_or_default())
}
/// Identical to `sortable_fields`, but returns ids instead.
pub fn sortable_fields_ids(&self, rtxn: &RoTxn) -> Result<HashSet<FieldId>> {
let fields = self.sortable_fields(rtxn)?;
let fields_ids_map = self.fields_ids_map(rtxn)?;
Ok(fields.into_iter().filter_map(|name| fields_ids_map.id(&name)).collect())
}
/* faceted fields */
/// Writes the faceted fields in the database.
pub(crate) fn put_faceted_fields(
&self,
wtxn: &mut RwTxn,
fields: &HashSet<String>,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<_>>(wtxn, main_key::HIDDEN_FACETED_FIELDS_KEY, fields)
}
/// Returns the faceted fields names.
pub fn faceted_fields(&self, rtxn: &RoTxn) -> heed::Result<HashSet<String>> {
Ok(self
.main
.get::<_, Str, SerdeJson<_>>(rtxn, main_key::HIDDEN_FACETED_FIELDS_KEY)?
.unwrap_or_default())
}
/// Identical to `faceted_fields`, but returns ids instead.
pub fn faceted_fields_ids(&self, rtxn: &RoTxn) -> Result<HashSet<FieldId>> {
let fields = self.faceted_fields(rtxn)?;
let fields_ids_map = self.fields_ids_map(rtxn)?;
let mut fields_ids = HashSet::new();
for name in fields {
if let Some(field_id) = fields_ids_map.id(&name) {
fields_ids.insert(field_id);
}
}
Ok(fields_ids)
}
/* faceted documents ids */
/// Returns the user defined faceted fields names.
///
/// The user faceted fields are the union of all the filterable, sortable, distinct, and Asc/Desc fields.
pub fn user_defined_faceted_fields(&self, rtxn: &RoTxn) -> Result<HashSet<String>> {
let filterable_fields = self.filterable_fields(rtxn)?;
let sortable_fields = self.sortable_fields(rtxn)?;
let distinct_field = self.distinct_field(rtxn)?;
let asc_desc_fields =
self.criteria(rtxn)?.into_iter().filter_map(|criterion| match criterion {
Criterion::Asc(field) | Criterion::Desc(field) => Some(field),
_otherwise => None,
});
let mut faceted_fields = filterable_fields;
faceted_fields.extend(sortable_fields);
faceted_fields.extend(asc_desc_fields);
if let Some(field) = distinct_field {
faceted_fields.insert(field.to_owned());
}
Ok(faceted_fields)
}
/// Identical to `user_defined_faceted_fields`, but returns ids instead.
pub fn user_defined_faceted_fields_ids(&self, rtxn: &RoTxn) -> Result<HashSet<FieldId>> {
let fields = self.faceted_fields(rtxn)?;
let fields_ids_map = self.fields_ids_map(rtxn)?;
let mut fields_ids = HashSet::new();
for name in fields.into_iter() {
if let Some(field_id) = fields_ids_map.id(&name) {
fields_ids.insert(field_id);
}
}
Ok(fields_ids)
}
/* faceted documents ids */
/// Writes the documents ids that are faceted with numbers under this field id.
pub(crate) fn put_number_faceted_documents_ids(
&self,
wtxn: &mut RwTxn,
field_id: FieldId,
docids: &RoaringBitmap,
) -> heed::Result<()> {
let mut buffer =
[0u8; main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len() + size_of::<FieldId>()];
buffer[..main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len()]
.copy_from_slice(main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.as_bytes());
buffer[main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len()..]
.copy_from_slice(&field_id.to_be_bytes());
self.main.put::<_, ByteSlice, RoaringBitmapCodec>(wtxn, &buffer, docids)
}
/// Retrieve all the documents ids that faceted with numbers under this field id.
pub fn number_faceted_documents_ids(
&self,
rtxn: &RoTxn,
field_id: FieldId,
) -> heed::Result<RoaringBitmap> {
let mut buffer =
[0u8; main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len() + size_of::<FieldId>()];
buffer[..main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len()]
.copy_from_slice(main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.as_bytes());
buffer[main_key::NUMBER_FACETED_DOCUMENTS_IDS_PREFIX.len()..]
.copy_from_slice(&field_id.to_be_bytes());
match self.main.get::<_, ByteSlice, RoaringBitmapCodec>(rtxn, &buffer)? {
Some(docids) => Ok(docids),
None => Ok(RoaringBitmap::new()),
}
}
/// Writes the documents ids that are faceted with strings under this field id.
pub(crate) fn put_string_faceted_documents_ids(
&self,
wtxn: &mut RwTxn,
field_id: FieldId,
docids: &RoaringBitmap,
) -> heed::Result<()> {
let mut buffer =
[0u8; main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len() + size_of::<FieldId>()];
buffer[..main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len()]
.copy_from_slice(main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.as_bytes());
buffer[main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len()..]
.copy_from_slice(&field_id.to_be_bytes());
self.main.put::<_, ByteSlice, RoaringBitmapCodec>(wtxn, &buffer, docids)
}
/// Retrieve all the documents ids that faceted with strings under this field id.
pub fn string_faceted_documents_ids(
&self,
rtxn: &RoTxn,
field_id: FieldId,
) -> heed::Result<RoaringBitmap> {
let mut buffer =
[0u8; main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len() + size_of::<FieldId>()];
buffer[..main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len()]
.copy_from_slice(main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.as_bytes());
buffer[main_key::STRING_FACETED_DOCUMENTS_IDS_PREFIX.len()..]
.copy_from_slice(&field_id.to_be_bytes());
match self.main.get::<_, ByteSlice, RoaringBitmapCodec>(rtxn, &buffer)? {
Some(docids) => Ok(docids),
None => Ok(RoaringBitmap::new()),
}
}
/// Retrieve all the documents which contain this field id
pub fn exists_faceted_documents_ids(
&self,
rtxn: &RoTxn,
field_id: FieldId,
) -> heed::Result<RoaringBitmap> {
match self.facet_id_exists_docids.get(rtxn, &field_id)? {
Some(docids) => Ok(docids),
None => Ok(RoaringBitmap::new()),
}
}
/* distinct field */
pub(crate) fn put_distinct_field(
&self,
wtxn: &mut RwTxn,
distinct_field: &str,
) -> heed::Result<()> {
self.main.put::<_, Str, Str>(wtxn, main_key::DISTINCT_FIELD_KEY, distinct_field)
}
pub fn distinct_field<'a>(&self, rtxn: &'a RoTxn) -> heed::Result<Option<&'a str>> {
self.main.get::<_, Str, Str>(rtxn, main_key::DISTINCT_FIELD_KEY)
}
pub(crate) fn delete_distinct_field(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::DISTINCT_FIELD_KEY)
}
/* criteria */
pub(crate) fn put_criteria(
&self,
wtxn: &mut RwTxn,
criteria: &[Criterion],
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<&[Criterion]>>(wtxn, main_key::CRITERIA_KEY, &criteria)
}
pub(crate) fn delete_criteria(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::CRITERIA_KEY)
}
pub fn criteria(&self, rtxn: &RoTxn) -> heed::Result<Vec<Criterion>> {
match self.main.get::<_, Str, SerdeJson<Vec<Criterion>>>(rtxn, main_key::CRITERIA_KEY)? {
Some(criteria) => Ok(criteria),
None => Ok(default_criteria()),
}
}
/* words fst */
/// Writes the FST which is the words dictionary of the engine.
pub(crate) fn put_words_fst<A: AsRef<[u8]>>(
&self,
wtxn: &mut RwTxn,
fst: &fst::Set<A>,
) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(wtxn, main_key::WORDS_FST_KEY, fst.as_fst().as_bytes())
}
/// Returns the FST which is the words dictionary of the engine.
pub fn words_fst<'t>(&self, rtxn: &'t RoTxn) -> Result<fst::Set<Cow<'t, [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, main_key::WORDS_FST_KEY)? {
Some(bytes) => Ok(fst::Set::new(bytes)?.map_data(Cow::Borrowed)?),
None => Ok(fst::Set::default().map_data(Cow::Owned)?),
}
}
/* stop words */
pub(crate) fn put_stop_words<A: AsRef<[u8]>>(
&self,
wtxn: &mut RwTxn,
fst: &fst::Set<A>,
) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(wtxn, main_key::STOP_WORDS_KEY, fst.as_fst().as_bytes())
}
pub(crate) fn delete_stop_words(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::STOP_WORDS_KEY)
}
pub fn stop_words<'t>(&self, rtxn: &'t RoTxn) -> Result<Option<fst::Set<&'t [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, main_key::STOP_WORDS_KEY)? {
Some(bytes) => Ok(Some(fst::Set::new(bytes)?)),
None => Ok(None),
}
}
/* synonyms */
pub(crate) fn put_synonyms(
&self,
wtxn: &mut RwTxn,
synonyms: &HashMap<Vec<String>, Vec<Vec<String>>>,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeBincode<_>>(wtxn, main_key::SYNONYMS_KEY, synonyms)
}
pub(crate) fn delete_synonyms(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(wtxn, main_key::SYNONYMS_KEY)
}
pub fn synonyms(&self, rtxn: &RoTxn) -> heed::Result<HashMap<Vec<String>, Vec<Vec<String>>>> {
Ok(self
.main
.get::<_, Str, SerdeBincode<_>>(rtxn, main_key::SYNONYMS_KEY)?
.unwrap_or_default())
}
pub fn words_synonyms<S: AsRef<str>>(
&self,
rtxn: &RoTxn,
words: &[S],
) -> heed::Result<Option<Vec<Vec<String>>>> {
let words: Vec<_> = words.iter().map(|s| s.as_ref().to_owned()).collect();
Ok(self.synonyms(rtxn)?.remove(&words))
}
/* words prefixes fst */
/// Writes the FST which is the words prefixes dictionnary of the engine.
pub(crate) fn put_words_prefixes_fst<A: AsRef<[u8]>>(
&self,
wtxn: &mut RwTxn,
fst: &fst::Set<A>,
) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(
wtxn,
main_key::WORDS_PREFIXES_FST_KEY,
fst.as_fst().as_bytes(),
)
}
/// Returns the FST which is the words prefixes dictionnary of the engine.
pub fn words_prefixes_fst<'t>(&self, rtxn: &'t RoTxn) -> Result<fst::Set<Cow<'t, [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, main_key::WORDS_PREFIXES_FST_KEY)? {
Some(bytes) => Ok(fst::Set::new(bytes)?.map_data(Cow::Borrowed)?),
None => Ok(fst::Set::default().map_data(Cow::Owned)?),
}
}
/* word documents count */
/// Returns the number of documents ids associated with the given word,
/// it is much faster than deserializing the bitmap and getting the length of it.
pub fn word_documents_count(&self, rtxn: &RoTxn, word: &str) -> heed::Result<Option<u64>> {
self.word_docids.remap_data_type::<RoaringBitmapLenCodec>().get(rtxn, word)
}
/* documents */
/// Returns a [`Vec`] of the requested documents. Returns an error if a document is missing.
pub fn documents<'t>(
&self,
rtxn: &'t RoTxn,
ids: impl IntoIterator<Item = DocumentId>,
) -> Result<Vec<(DocumentId, obkv::KvReaderU16<'t>)>> {
let soft_deleted_documents = self.soft_deleted_documents_ids(rtxn)?;
let mut documents = Vec::new();
for id in ids {
if soft_deleted_documents.contains(id) {
return Err(UserError::AccessingSoftDeletedDocument { document_id: id })?;
}
let kv = self
.documents
.get(rtxn, &BEU32::new(id))?
.ok_or_else(|| UserError::UnknownInternalDocumentId { document_id: id })?;
documents.push((id, kv));
}
Ok(documents)
}
/// Returns an iterator over all the documents in the index.
pub fn all_documents<'t>(
&self,
rtxn: &'t RoTxn,
) -> Result<impl Iterator<Item = heed::Result<(DocumentId, obkv::KvReaderU16<'t>)>>> {
let soft_deleted_docids = self.soft_deleted_documents_ids(rtxn)?;
Ok(self
.documents
.iter(rtxn)?
// we cast the BEU32 to a DocumentId
.map(|document| document.map(|(id, obkv)| (id.get(), obkv)))
.filter(move |document| {
document.as_ref().map_or(true, |(id, _)| !soft_deleted_docids.contains(*id))
}))
}
pub fn facets_distribution<'a>(&'a self, rtxn: &'a RoTxn) -> FacetDistribution<'a> {
FacetDistribution::new(rtxn, self)
}
pub fn search<'a>(&'a self, rtxn: &'a RoTxn) -> Search<'a> {
Search::new(rtxn, self)
}
/// Returns the index creation time.
pub fn created_at(&self, rtxn: &RoTxn) -> Result<OffsetDateTime> {
Ok(self
.main
.get::<_, Str, SerdeJson<OffsetDateTime>>(rtxn, main_key::CREATED_AT_KEY)?
.ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::MAIN,
key: Some(main_key::CREATED_AT_KEY),
})?)
}
/// Returns the index last updated time.
pub fn updated_at(&self, rtxn: &RoTxn) -> Result<OffsetDateTime> {
Ok(self
.main
.get::<_, Str, SerdeJson<OffsetDateTime>>(rtxn, main_key::UPDATED_AT_KEY)?
.ok_or(InternalError::DatabaseMissingEntry {
db_name: db_name::MAIN,
key: Some(main_key::UPDATED_AT_KEY),
})?)
}
pub(crate) fn set_updated_at(
&self,
wtxn: &mut RwTxn,
time: &OffsetDateTime,
) -> heed::Result<()> {
self.main.put::<_, Str, SerdeJson<OffsetDateTime>>(wtxn, main_key::UPDATED_AT_KEY, &time)
}
pub fn authorize_typos(&self, txn: &RoTxn) -> heed::Result<bool> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
match self.main.get::<_, Str, OwnedType<u8>>(txn, main_key::AUTHORIZE_TYPOS)? {
Some(0) => Ok(false),
_ => Ok(true),
}
}
pub(crate) fn put_authorize_typos(&self, txn: &mut RwTxn, flag: bool) -> heed::Result<()> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
self.main.put::<_, Str, OwnedType<u8>>(txn, main_key::AUTHORIZE_TYPOS, &(flag as u8))?;
Ok(())
}
pub fn min_word_len_one_typo(&self, txn: &RoTxn) -> heed::Result<u8> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
Ok(self
.main
.get::<_, Str, OwnedType<u8>>(txn, main_key::ONE_TYPO_WORD_LEN)?
.unwrap_or(DEFAULT_MIN_WORD_LEN_ONE_TYPO))
}
pub(crate) fn put_min_word_len_one_typo(&self, txn: &mut RwTxn, val: u8) -> heed::Result<()> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
self.main.put::<_, Str, OwnedType<u8>>(txn, main_key::ONE_TYPO_WORD_LEN, &val)?;
Ok(())
}
pub fn min_word_len_two_typos(&self, txn: &RoTxn) -> heed::Result<u8> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
Ok(self
.main
.get::<_, Str, OwnedType<u8>>(txn, main_key::TWO_TYPOS_WORD_LEN)?
.unwrap_or(DEFAULT_MIN_WORD_LEN_TWO_TYPOS))
}
pub(crate) fn put_min_word_len_two_typos(&self, txn: &mut RwTxn, val: u8) -> heed::Result<()> {
// It is not possible to put a bool in heed with OwnedType, so we put a u8 instead. We
// identify 0 as being false, and anything else as true. The absence of a value is true,
// because by default, we authorize typos.
self.main.put::<_, Str, OwnedType<u8>>(txn, main_key::TWO_TYPOS_WORD_LEN, &val)?;
Ok(())
}
/// List the words on which typo are not allowed
pub fn exact_words<'t>(&self, txn: &'t RoTxn) -> Result<Option<fst::Set<Cow<'t, [u8]>>>> {
match self.main.get::<_, Str, ByteSlice>(txn, main_key::EXACT_WORDS)? {
Some(bytes) => Ok(Some(fst::Set::new(bytes)?.map_data(Cow::Borrowed)?)),
None => Ok(None),
}
}
pub(crate) fn put_exact_words<A: AsRef<[u8]>>(
&self,
txn: &mut RwTxn,
words: &fst::Set<A>,
) -> Result<()> {
self.main.put::<_, Str, ByteSlice>(
txn,
main_key::EXACT_WORDS,
words.as_fst().as_bytes(),
)?;
Ok(())
}
/// Returns the exact attributes: attributes for which typo is disallowed.
pub fn exact_attributes<'t>(&self, txn: &'t RoTxn) -> Result<Vec<&'t str>> {
Ok(self
.main
.get::<_, Str, SerdeBincode<Vec<&str>>>(txn, main_key::EXACT_ATTRIBUTES)?
.unwrap_or_default())
}
/// Returns the list of exact attributes field ids.
pub fn exact_attributes_ids(&self, txn: &RoTxn) -> Result<HashSet<FieldId>> {
let attrs = self.exact_attributes(txn)?;
let fid_map = self.fields_ids_map(txn)?;
Ok(attrs.iter().filter_map(|attr| fid_map.id(attr)).collect())
}
/// Writes the exact attributes to the database.
pub(crate) fn put_exact_attributes(&self, txn: &mut RwTxn, attrs: &[&str]) -> Result<()> {
self.main.put::<_, Str, SerdeBincode<&[&str]>>(txn, main_key::EXACT_ATTRIBUTES, &attrs)?;
Ok(())
}
/// Clears the exact attributes from the store.
pub(crate) fn delete_exact_attributes(&self, txn: &mut RwTxn) -> Result<()> {
self.main.delete::<_, Str>(txn, main_key::EXACT_ATTRIBUTES)?;
Ok(())
}
pub fn max_values_per_facet(&self, txn: &RoTxn) -> heed::Result<Option<usize>> {
self.main.get::<_, Str, OwnedType<usize>>(txn, main_key::MAX_VALUES_PER_FACET)
}
pub(crate) fn put_max_values_per_facet(&self, txn: &mut RwTxn, val: usize) -> heed::Result<()> {
self.main.put::<_, Str, OwnedType<usize>>(txn, main_key::MAX_VALUES_PER_FACET, &val)
}
pub(crate) fn delete_max_values_per_facet(&self, txn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(txn, main_key::MAX_VALUES_PER_FACET)
}
pub fn pagination_max_total_hits(&self, txn: &RoTxn) -> heed::Result<Option<usize>> {
self.main.get::<_, Str, OwnedType<usize>>(txn, main_key::PAGINATION_MAX_TOTAL_HITS)
}
pub(crate) fn put_pagination_max_total_hits(
&self,
txn: &mut RwTxn,
val: usize,
) -> heed::Result<()> {
self.main.put::<_, Str, OwnedType<usize>>(txn, main_key::PAGINATION_MAX_TOTAL_HITS, &val)
}
pub(crate) fn delete_pagination_max_total_hits(&self, txn: &mut RwTxn) -> heed::Result<bool> {
self.main.delete::<_, Str>(txn, main_key::PAGINATION_MAX_TOTAL_HITS)
}
}
#[cfg(test)]
pub(crate) mod tests {
use std::ops::Deref;
use big_s::S;
use heed::EnvOpenOptions;
use maplit::btreemap;
use tempfile::TempDir;
use crate::index::{DEFAULT_MIN_WORD_LEN_ONE_TYPO, DEFAULT_MIN_WORD_LEN_TWO_TYPOS};
use crate::update::{self, IndexDocuments, IndexDocumentsConfig, IndexerConfig};
use crate::Index;
pub(crate) struct TempIndex {
inner: Index,
_tempdir: TempDir,
}
impl Deref for TempIndex {
type Target = Index;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl TempIndex {
/// Creates a temporary index, with a default `4096 * 100` size. This should be enough for
/// most tests.
pub fn new() -> Self {
let mut options = EnvOpenOptions::new();
options.map_size(100 * 4096);
let _tempdir = TempDir::new_in(".").unwrap();
let inner = Index::new(options, _tempdir.path()).unwrap();
Self { inner, _tempdir }
}
}
#[test]
fn initial_field_distribution() {
let path = tempfile::tempdir().unwrap();
let mut options = EnvOpenOptions::new();
options.map_size(10 * 1024 * 1024); // 10 MB
let index = Index::new(options, &path).unwrap();
let mut wtxn = index.write_txn().unwrap();
let content = documents!([
{ "id": 1, "name": "kevin" },
{ "id": 2, "name": "bob", "age": 20 },
{ "id": 2, "name": "bob", "age": 20 },
]);
let config = IndexerConfig::default();
let indexing_config = IndexDocumentsConfig::default();
let mut builder =
IndexDocuments::new(&mut wtxn, &index, &config, indexing_config.clone(), |_| ())
.unwrap();
builder.add_documents(content).unwrap();
builder.execute().unwrap();
wtxn.commit().unwrap();
let rtxn = index.read_txn().unwrap();
let field_distribution = index.field_distribution(&rtxn).unwrap();
assert_eq!(
field_distribution,
btreemap! {
"id".to_string() => 2,
"name".to_string() => 2,
"age".to_string() => 1,
}
);
// we add all the documents a second time. we are supposed to get the same
// field_distribution in the end
let mut wtxn = index.write_txn().unwrap();
let mut builder =
IndexDocuments::new(&mut wtxn, &index, &config, indexing_config.clone(), |_| ())
.unwrap();
let content = documents!([
{ "id": 1, "name": "kevin" },
{ "id": 2, "name": "bob", "age": 20 },
{ "id": 2, "name": "bob", "age": 20 },
]);
builder.add_documents(content).unwrap();
builder.execute().unwrap();
wtxn.commit().unwrap();
let rtxn = index.read_txn().unwrap();
let field_distribution = index.field_distribution(&rtxn).unwrap();
assert_eq!(
field_distribution,
btreemap! {
"id".to_string() => 2,
"name".to_string() => 2,
"age".to_string() => 1,
}
);
// then we update a document by removing one field and another by adding one field
let content = documents!([
{ "id": 1, "name": "kevin", "has_dog": true },
{ "id": 2, "name": "bob" }
]);
let mut wtxn = index.write_txn().unwrap();
let mut builder =
IndexDocuments::new(&mut wtxn, &index, &config, indexing_config.clone(), |_| ())
.unwrap();
builder.add_documents(content).unwrap();
builder.execute().unwrap();
wtxn.commit().unwrap();
let rtxn = index.read_txn().unwrap();
let field_distribution = index.field_distribution(&rtxn).unwrap();
assert_eq!(
field_distribution,
btreemap! {
"id".to_string() => 2,
"name".to_string() => 2,
"has_dog".to_string() => 1,
}
);
}
#[test]
fn put_and_retrieve_disable_typo() {
let index = TempIndex::new();
let mut txn = index.write_txn().unwrap();
// default value is true
assert!(index.authorize_typos(&txn).unwrap());
// set to false
index.put_authorize_typos(&mut txn, false).unwrap();
txn.commit().unwrap();
let txn = index.read_txn().unwrap();
assert!(!index.authorize_typos(&txn).unwrap());
}
#[test]
fn set_min_word_len_for_typos() {
let index = TempIndex::new();
let mut txn = index.write_txn().unwrap();
assert_eq!(index.min_word_len_one_typo(&txn).unwrap(), DEFAULT_MIN_WORD_LEN_ONE_TYPO);
assert_eq!(index.min_word_len_two_typos(&txn).unwrap(), DEFAULT_MIN_WORD_LEN_TWO_TYPOS);
index.put_min_word_len_one_typo(&mut txn, 3).unwrap();
index.put_min_word_len_two_typos(&mut txn, 15).unwrap();
txn.commit().unwrap();
let txn = index.read_txn().unwrap();
assert_eq!(index.min_word_len_one_typo(&txn).unwrap(), 3);
assert_eq!(index.min_word_len_two_typos(&txn).unwrap(), 15);
}
#[test]
fn add_documents_and_set_searchable_fields() {
let path = tempfile::tempdir().unwrap();
let mut options = EnvOpenOptions::new();
options.map_size(10 * 1024 * 1024); // 10 MB
let index = Index::new(options, &path).unwrap();
let mut wtxn = index.write_txn().unwrap();
let content = documents!([
{ "id": 1, "doggo": "kevin" },
{ "id": 2, "doggo": { "name": "bob", "age": 20 } },
{ "id": 3, "name": "jean", "age": 25 },
]);
let config = IndexerConfig::default();
let indexing_config = IndexDocumentsConfig::default();
let mut builder =
IndexDocuments::new(&mut wtxn, &index, &config, indexing_config.clone(), |_| ())
.unwrap();
builder.add_documents(content).unwrap();
builder.execute().unwrap();
wtxn.commit().unwrap();
// set searchable fields
let mut wtxn = index.write_txn().unwrap();
let mut builder = update::Settings::new(&mut wtxn, &index, &config);
builder.set_searchable_fields(vec![S("doggo"), S("name")]);
builder.execute(drop).unwrap();
wtxn.commit().unwrap();
// ensure we get the right real searchable fields + user defined searchable fields
let rtxn = index.read_txn().unwrap();
let real = index.searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(real, &["doggo", "name", "doggo.name", "doggo.age"]);
let user_defined = index.user_defined_searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(user_defined, &["doggo", "name"]);
}
#[test]
fn set_searchable_fields_and_add_documents() {
let path = tempfile::tempdir().unwrap();
let mut options = EnvOpenOptions::new();
options.map_size(10 * 1024 * 1024); // 10 MB
let index = Index::new(options, &path).unwrap();
let config = IndexerConfig::default();
// set searchable fields
let mut wtxn = index.write_txn().unwrap();
let mut builder = update::Settings::new(&mut wtxn, &index, &config);
builder.set_searchable_fields(vec![S("doggo"), S("name")]);
builder.execute(drop).unwrap();
wtxn.commit().unwrap();
// ensure we get the right real searchable fields + user defined searchable fields
let rtxn = index.read_txn().unwrap();
let real = index.searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(real, &["doggo", "name"]);
let user_defined = index.user_defined_searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(user_defined, &["doggo", "name"]);
let mut wtxn = index.write_txn().unwrap();
let content = documents!([
{ "id": 1, "doggo": "kevin" },
{ "id": 2, "doggo": { "name": "bob", "age": 20 } },
{ "id": 3, "name": "jean", "age": 25 },
]);
let indexing_config = IndexDocumentsConfig::default();
let mut builder =
IndexDocuments::new(&mut wtxn, &index, &config, indexing_config.clone(), |_| ())
.unwrap();
builder.add_documents(content).unwrap();
builder.execute().unwrap();
wtxn.commit().unwrap();
// ensure we get the right real searchable fields + user defined searchable fields
let rtxn = index.read_txn().unwrap();
let real = index.searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(real, &["doggo", "name", "doggo.name", "doggo.age"]);
let user_defined = index.user_defined_searchable_fields(&rtxn).unwrap().unwrap();
assert_eq!(user_defined, &["doggo", "name"]);
}
}
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