use std::borrow::Cow; use std::collections::HashMap; use std::ops::{Deref, Range}; use std::time::Duration; use either::Either; use sdset::{SetOperation, SetBuf, Set}; use meilisearch_schema::FieldId; use crate::bucket_sort::{bucket_sort, bucket_sort_with_distinct, SortResult, placeholder_document_sort, facet_count}; use crate::database::MainT; use crate::facets::FacetFilter; use crate::distinct_map::{DistinctMap, BufferedDistinctMap}; use crate::Document; use crate::{criterion::Criteria, DocumentId}; use crate::{reordered_attrs::ReorderedAttrs, store, MResult, MainReader}; pub struct QueryBuilder<'c, 'f, 'd, 'i> { criteria: Criteria<'c>, searchable_attrs: Option, filter: Option bool + 'f>>, distinct: Option<(Box Option + 'd>, usize)>, timeout: Option, index: &'i store::Index, facet_filter: Option, facets: Option>, } impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> { pub fn new(index: &'i store::Index) -> Self { QueryBuilder::with_criteria(index, Criteria::default()) } /// sets facet attributes to filter on pub fn set_facet_filter(&mut self, facets: Option) { self.facet_filter = facets; } /// sets facet attributes for which to return the count pub fn set_facets(&mut self, facets: Option>) { self.facets = facets; } pub fn with_criteria(index: &'i store::Index, criteria: Criteria<'c>) -> Self { QueryBuilder { criteria, searchable_attrs: None, filter: None, distinct: None, timeout: None, index, facet_filter: None, facets: None, } } pub fn with_filter(&mut self, function: F) where F: Fn(DocumentId) -> bool + 'f, { self.filter = Some(Box::new(function)) } pub fn with_fetch_timeout(&mut self, timeout: Duration) { self.timeout = Some(timeout) } pub fn with_distinct(&mut self, size: usize, function: F) where F: Fn(DocumentId) -> Option + 'd, { self.distinct = Some((Box::new(function), size)) } pub fn add_searchable_attribute(&mut self, attribute: u16) { let reorders = self.searchable_attrs.get_or_insert_with(ReorderedAttrs::new); reorders.insert_attribute(attribute); } /// returns the documents ids associated with a facet filter by computing the union and /// intersection of the document sets fn facets_docids(&self, reader: &MainReader) -> MResult>> { let facet_docids = match self.facet_filter { Some(ref facets) => { let mut ands = Vec::with_capacity(facets.len()); let mut ors = Vec::new(); for f in facets.deref() { match f { Either::Left(keys) => { ors.reserve(keys.len()); for key in keys { let docids = self .index .facets .facet_document_ids(reader, &key)? .unwrap_or_default(); ors.push(docids); } let sets: Vec<_> = ors.iter().map(|(_, i)| i).map(Cow::deref).collect(); let or_result = sdset::multi::OpBuilder::from_vec(sets).union().into_set_buf(); ands.push(Cow::Owned(or_result)); ors.clear(); } Either::Right(key) => { match self.index.facets.facet_document_ids(reader, &key)? { Some((_name, docids)) => ands.push(docids), // no candidates for search, early return. None => return Ok(Some(SetBuf::default())), } } }; } let ands: Vec<_> = ands.iter().map(Cow::deref).collect(); Some( sdset::multi::OpBuilder::from_vec(ands) .intersection() .into_set_buf(), ) } None => None, }; Ok(facet_docids) } fn standard_query(self, reader: &MainReader, query: &str, range: Range) -> MResult { let facets_docids = match self.facets_docids(reader)? { Some(ids) if ids.is_empty() => return Ok(SortResult::default()), other => other }; // for each field to retrieve the count for, create an HashMap associating the attribute // value to a set of matching documents. The HashMaps are them collected in another // HashMap, associating each HashMap to it's field. let facet_count_docids = self.facet_count_docids(reader)?; match self.distinct { Some((distinct, distinct_size)) => bucket_sort_with_distinct( reader, query, range, facets_docids, facet_count_docids, self.filter, distinct, distinct_size, self.criteria, self.searchable_attrs, self.index, ), None => bucket_sort( reader, query, range, facets_docids, facet_count_docids, self.filter, self.criteria, self.searchable_attrs, self.index, ), } } fn placeholder_query(self, reader: &heed::RoTxn, range: Range) -> MResult { match self.facets_docids(reader)? { Some(docids) => { // We sort the docids from facets according to the criteria set by the user let mut sorted_docids = docids.clone().into_vec(); let mut sort_result = match self.index.main.ranked_map(reader)? { Some(ranked_map) => { placeholder_document_sort(&mut sorted_docids, self.index, reader, &ranked_map)?; self.sort_result_from_docids(&sorted_docids, range) }, // if we can't perform a sort, we return documents unordered None => self.sort_result_from_docids(&docids, range), }; if let Some(f) = self.facet_count_docids(reader)? { sort_result.exhaustive_facets_count = Some(true); sort_result.facets = Some(facet_count(f, &docids)); } Ok(sort_result) }, None => { match self.index.main.sorted_document_ids_cache(reader)? { // build result from cached document ids Some(docids) => { let mut sort_result = self.sort_result_from_docids(&docids, range); if let Some(f) = self.facet_count_docids(reader)? { sort_result.exhaustive_facets_count = Some(true); // document ids are not sorted in natural order, we need to construct a new set let document_set = SetBuf::from_dirty(Vec::from(docids)); sort_result.facets = Some(facet_count(f, &document_set)); } Ok(sort_result) }, // no document id cached, return empty result None => Ok(SortResult::default()), } } } } fn facet_count_docids<'a>(&self, reader: &'a MainReader) -> MResult>)>>>> { match self.facets { Some(ref field_ids) => { let mut facet_count_map = HashMap::new(); for (field_id, field_name) in field_ids { let mut key_map = HashMap::new(); for pair in self.index.facets.field_document_ids(reader, *field_id)? { let (facet_key, document_ids) = pair?; let value = facet_key.value(); key_map.insert(value.to_string(), document_ids); } facet_count_map.insert(field_name.clone(), key_map); } Ok(Some(facet_count_map)) } None => Ok(None), } } fn sort_result_from_docids(&self, docids: &[DocumentId], range: Range) -> SortResult { let mut sort_result = SortResult::default(); let mut filtered_count = 0; let mut result = match self.filter { Some(ref filter) => docids .iter() .filter(|item| { let accepted = (filter)(**item); if !accepted { filtered_count += 1; } accepted }) .skip(range.start) .take(range.end - range.start) .map(|&id| Document::from_highlights(id, &[])) .collect::>(), None => docids .iter() .skip(range.start) .take(range.end - range.start) .map(|&id| Document::from_highlights(id, &[])) .collect::>(), }; // distinct is set, remove duplicates with disctinct function if let Some((distinct, distinct_size)) = &self.distinct { let mut distinct_map = DistinctMap::new(*distinct_size); let mut distinct_map = BufferedDistinctMap::new(&mut distinct_map); result.retain(|doc| { let id = doc.id; let key = (distinct)(id); let distinct_accepted = match key { Some(key) => distinct_map.register(key), None => distinct_map.register_without_key(), }; if !distinct_accepted { filtered_count += 1; } distinct_accepted }); } sort_result.documents = result; sort_result.nb_hits = docids.len() - filtered_count; sort_result } pub fn query( self, reader: &heed::RoTxn, query: Option<&str>, range: Range, ) -> MResult { match query { Some(query) => self.standard_query(reader, query, range), None => self.placeholder_query(reader, range), } } } #[cfg(test)] mod tests { use super::*; use std::collections::{BTreeSet, HashMap}; use std::iter::FromIterator; use fst::IntoStreamer; use meilisearch_schema::IndexedPos; use sdset::SetBuf; use tempfile::TempDir; use crate::bucket_sort::SimpleMatch; use crate::database::{Database, DatabaseOptions}; use crate::store::Index; use crate::DocIndex; use crate::Document; use meilisearch_schema::Schema; fn is_cjk(c: char) -> bool { (c >= '\u{1100}' && c <= '\u{11ff}') // Hangul Jamo || (c >= '\u{2e80}' && c <= '\u{2eff}') // CJK Radicals Supplement || (c >= '\u{2f00}' && c <= '\u{2fdf}') // Kangxi radical || (c >= '\u{3000}' && c <= '\u{303f}') // Japanese-style punctuation || (c >= '\u{3040}' && c <= '\u{309f}') // Japanese Hiragana || (c >= '\u{30a0}' && c <= '\u{30ff}') // Japanese Katakana || (c >= '\u{3100}' && c <= '\u{312f}') || (c >= '\u{3130}' && c <= '\u{318F}') // Hangul Compatibility Jamo || (c >= '\u{3200}' && c <= '\u{32ff}') // Enclosed CJK Letters and Months || (c >= '\u{3400}' && c <= '\u{4dbf}') // CJK Unified Ideographs Extension A || (c >= '\u{4e00}' && c <= '\u{9fff}') // CJK Unified Ideographs || (c >= '\u{a960}' && c <= '\u{a97f}') // Hangul Jamo Extended-A || (c >= '\u{ac00}' && c <= '\u{d7a3}') // Hangul Syllables || (c >= '\u{d7b0}' && c <= '\u{d7ff}') // Hangul Jamo Extended-B || (c >= '\u{f900}' && c <= '\u{faff}') // CJK Compatibility Ideographs || (c >= '\u{ff00}' && c <= '\u{ffef}') // Full-width roman characters and half-width katakana } fn normalize_str(string: &str) -> String { let mut string = string.to_lowercase(); if !string.contains(is_cjk) { string = deunicode::deunicode_with_tofu(&string, ""); } string } fn set_from_stream<'f, I, S>(stream: I) -> fst::Set> where I: for<'a> fst::IntoStreamer<'a, Into = S, Item = &'a [u8]>, S: 'f + for<'a> fst::Streamer<'a, Item = &'a [u8]>, { let mut builder = fst::SetBuilder::memory(); builder.extend_stream(stream).unwrap(); builder.into_set() } fn insert_key>(set: &fst::Set, key: &[u8]) -> fst::Set> { let unique_key = { let mut builder = fst::SetBuilder::memory(); builder.insert(key).unwrap(); builder.into_set() }; let union_ = set.op().add(unique_key.into_stream()).r#union(); set_from_stream(union_) } fn sdset_into_fstset(set: &sdset::Set<&str>) -> fst::Set> { let mut builder = fst::SetBuilder::memory(); let set = SetBuf::from_dirty(set.into_iter().map(|s| normalize_str(s)).collect()); builder.extend_iter(set.into_iter()).unwrap(); builder.into_set() } const fn doc_index(document_id: u32, word_index: u16) -> DocIndex { DocIndex { document_id: DocumentId(document_id), attribute: 0, word_index, char_index: 0, char_length: 0, } } const fn doc_char_index(document_id: u32, word_index: u16, char_index: u16) -> DocIndex { DocIndex { document_id: DocumentId(document_id), attribute: 0, word_index, char_index, char_length: 0, } } pub struct TempDatabase { database: Database, index: Index, _tempdir: TempDir, } impl TempDatabase { pub fn query_builder(&self) -> QueryBuilder { self.index.query_builder() } pub fn add_synonym(&mut self, word: &str, new: SetBuf<&str>) { let db = &self.database; let mut writer = db.main_write_txn().unwrap(); let word = normalize_str(word); let alternatives = self .index .synonyms .synonyms_fst(&writer, word.as_bytes()) .unwrap(); let new = sdset_into_fstset(&new); let new_alternatives = set_from_stream(alternatives.op().add(new.into_stream()).r#union()); self.index .synonyms .put_synonyms(&mut writer, word.as_bytes(), &new_alternatives) .unwrap(); let synonyms = self.index.main.synonyms_fst(&writer).unwrap(); let synonyms_fst = insert_key(&synonyms, word.as_bytes()); self.index .main .put_synonyms_fst(&mut writer, &synonyms_fst) .unwrap(); writer.commit().unwrap(); } } impl<'a> FromIterator<(&'a str, &'a [DocIndex])> for TempDatabase { fn from_iter>(iter: I) -> Self { let tempdir = TempDir::new().unwrap(); let database = Database::open_or_create(&tempdir, DatabaseOptions::default()).unwrap(); let index = database.create_index("default").unwrap(); let db = &database; let mut writer = db.main_write_txn().unwrap(); let mut words_fst = BTreeSet::new(); let mut postings_lists = HashMap::new(); let mut fields_counts = HashMap::<_, u16>::new(); let mut schema = Schema::with_primary_key("id"); for (word, indexes) in iter { let mut final_indexes = Vec::new(); for index in indexes { let name = index.attribute.to_string(); schema.insert(&name).unwrap(); let indexed_pos = schema.set_indexed(&name).unwrap().1; let index = DocIndex { attribute: indexed_pos.0, ..*index }; final_indexes.push(index); } let word = word.to_lowercase().into_bytes(); words_fst.insert(word.clone()); postings_lists .entry(word) .or_insert_with(Vec::new) .extend_from_slice(&final_indexes); for idx in final_indexes { fields_counts.insert((idx.document_id, idx.attribute, idx.word_index), 1); } } index.main.put_schema(&mut writer, &schema).unwrap(); let words_fst = fst::Set::from_iter(words_fst).unwrap(); index.main.put_words_fst(&mut writer, &words_fst).unwrap(); for (word, postings_list) in postings_lists { let postings_list = SetBuf::from_dirty(postings_list); index .postings_lists .put_postings_list(&mut writer, &word, &postings_list) .unwrap(); } for ((docid, attr, _), count) in fields_counts { let prev = index .documents_fields_counts .document_field_count(&writer, docid, IndexedPos(attr)) .unwrap(); let prev = prev.unwrap_or(0); index .documents_fields_counts .put_document_field_count(&mut writer, docid, IndexedPos(attr), prev + count) .unwrap(); } writer.commit().unwrap(); TempDatabase { database, index, _tempdir: tempdir } } } #[test] fn simple() { let store = TempDatabase::from_iter(vec![ ("iphone", &[doc_char_index(0, 0, 0)][..]), ("from", &[doc_char_index(0, 1, 1)][..]), ("apple", &[doc_char_index(0, 2, 2)][..]), ]); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("iphone from apple"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn simple_synonyms() { let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]); store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("hello"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("bonjour"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } // #[test] // fn prefix_synonyms() { // let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]); // store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello"])); // store.add_synonym("salut", SetBuf::from_dirty(vec!["hello"])); // let db = &store.database; // let reader = db.main_read_txn().unwrap(); // let builder = store.query_builder(); // let results = builder.query(&reader, "sal", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { // let mut matches = matches.into_iter(); // assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // assert_matches!(matches.next(), None); // }); // assert_matches!(iter.next(), None); // let builder = store.query_builder(); // let results = builder.query(&reader, "bonj", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { // let mut matches = matches.into_iter(); // assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // assert_matches!(matches.next(), None); // }); // assert_matches!(iter.next(), None); // let builder = store.query_builder(); // let results = builder.query(&reader, "sal blabla", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), None); // let builder = store.query_builder(); // let results = builder.query(&reader, "bonj blabla", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), None); // } // #[test] // fn levenshtein_synonyms() { // let mut store = TempDatabase::from_iter(vec![("hello", &[doc_index(0, 0)][..])]); // store.add_synonym("salutation", SetBuf::from_dirty(vec!["hello"])); // let db = &store.database; // let reader = db.main_read_txn().unwrap(); // let builder = store.query_builder(); // let results = builder.query(&reader, "salutution", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { // let mut matches = matches.into_iter(); // assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // assert_matches!(matches.next(), None); // }); // assert_matches!(iter.next(), None); // let builder = store.query_builder(); // let results = builder.query(&reader, "saluttion", 0..20).unwrap(); // let mut iter = documents.into_iter(); // assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { // let mut matches = matches.into_iter(); // assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // assert_matches!(matches.next(), None); // }); // assert_matches!(iter.next(), None); // } #[test] fn harder_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("hello", &[doc_index(0, 0)][..]), ("bonjour", &[doc_index(1, 3)]), ("salut", &[doc_index(2, 5)]), ]); store.add_synonym("hello", SetBuf::from_dirty(vec!["bonjour", "salut"])); store.add_synonym("bonjour", SetBuf::from_dirty(vec!["hello", "salut"])); store.add_synonym("salut", SetBuf::from_dirty(vec!["hello", "bonjour"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("hello"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("bonjour"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("salut"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 3, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 5, .. })); assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] /// Unique word has multi-word synonyms fn unique_to_multiword_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("new", &[doc_char_index(0, 0, 0)][..]), ("york", &[doc_char_index(0, 1, 1)][..]), ("city", &[doc_char_index(0, 2, 2)][..]), ("subway", &[doc_char_index(0, 3, 3)][..]), ("NY", &[doc_char_index(1, 0, 0)][..]), ("subway", &[doc_char_index(1, 1, 1)][..]), ]); store.add_synonym( "NY", SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]), ); store.add_synonym( "NYC", SetBuf::from_dirty(vec!["NY", "new york", "new york city"]), ); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // NY ± new assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // NY ± york assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // NY ± city assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // NYC ± new assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // NYC ± york assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // NYC ± city assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn unique_to_multiword_synonyms_words_proximity() { let mut store = TempDatabase::from_iter(vec![ ("new", &[doc_char_index(0, 0, 0)][..]), ("york", &[doc_char_index(0, 1, 1)][..]), ("city", &[doc_char_index(0, 2, 2)][..]), ("subway", &[doc_char_index(0, 3, 3)][..]), ("york", &[doc_char_index(1, 0, 0)][..]), ("new", &[doc_char_index(1, 1, 1)][..]), ("subway", &[doc_char_index(1, 2, 2)][..]), ("NY", &[doc_char_index(2, 0, 0)][..]), ("subway", &[doc_char_index(2, 1, 1)][..]), ]); store.add_synonym("NY", SetBuf::from_dirty(vec!["york new"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NY"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // NY ± york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // NY ± new assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // york = NY assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // new = NY assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 1, .. })); // york = NY assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 0, .. })); // new = NY assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("new york"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, .. })); // york assert_matches!(matches.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 1, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 0, .. })); // new assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn unique_to_multiword_synonyms_cumulative_word_index() { let mut store = TempDatabase::from_iter(vec![ ("NY", &[doc_char_index(0, 0, 0)][..]), ("subway", &[doc_char_index(0, 1, 1)][..]), ("new", &[doc_char_index(1, 0, 0)][..]), ("york", &[doc_char_index(1, 1, 1)][..]), ("subway", &[doc_char_index(1, 2, 2)][..]), ]); store.add_synonym("new york", SetBuf::from_dirty(vec!["NY"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NY assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); // assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { // let mut matches = matches.into_iter(); // assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 2, is_exact: true, .. })); // subway // assert_matches!(matches.next(), None); // }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("new york subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] /// Unique word has multi-word synonyms fn harder_unique_to_multiword_synonyms_one() { let mut store = TempDatabase::from_iter(vec![ ("new", &[doc_char_index(0, 0, 0)][..]), ("york", &[doc_char_index(0, 1, 1)][..]), ("city", &[doc_char_index(0, 2, 2)][..]), ("yellow", &[doc_char_index(0, 3, 3)][..]), ("subway", &[doc_char_index(0, 4, 4)][..]), ("broken", &[doc_char_index(0, 5, 5)][..]), ("NY", &[doc_char_index(1, 0, 0)][..]), ("blue", &[doc_char_index(1, 1, 1)][..]), ("subway", &[doc_char_index(1, 2, 2)][..]), ]); store.add_synonym( "NY", SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]), ); store.add_synonym( "NYC", SetBuf::from_dirty(vec!["NY", "new york", "new york city"]), ); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NY subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // NYC // because one-word to one-word ^^^^ assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), None); } #[test] /// Unique word has multi-word synonyms fn even_harder_unique_to_multiword_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("new", &[doc_char_index(0, 0, 0)][..]), ("york", &[doc_char_index(0, 1, 1)][..]), ("city", &[doc_char_index(0, 2, 2)][..]), ("yellow", &[doc_char_index(0, 3, 3)][..]), ("underground", &[doc_char_index(0, 4, 4)][..]), ("train", &[doc_char_index(0, 5, 5)][..]), ("broken", &[doc_char_index(0, 6, 6)][..]), ("NY", &[doc_char_index(1, 0, 0)][..]), ("blue", &[doc_char_index(1, 1, 1)][..]), ("subway", &[doc_char_index(1, 2, 2)][..]), ]); store.add_synonym( "NY", SetBuf::from_dirty(vec!["NYC", "new york", "new york city"]), ); store.add_synonym( "NYC", SetBuf::from_dirty(vec!["NY", "new york", "new york city"]), ); store.add_synonym("subway", SetBuf::from_dirty(vec!["underground train"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult {documents, .. } = builder.query(&reader, Some("NY subway broken"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NY assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: false, .. })); // underground = subway assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: false, .. })); // train = subway assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 6, is_exact: true, .. })); // broken assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NYC subway"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // underground = subway assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: true, .. })); // train = subway assert_matches!(iter.next(), None); // position rewritten ^ }); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york = NYC assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city = NYC // because one-word to one-word ^^^^ assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: false, .. })); // subway = underground assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: false, .. })); // subway = train assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] /// Multi-word has multi-word synonyms fn multiword_to_multiword_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("NY", &[doc_char_index(0, 0, 0)][..]), ("subway", &[doc_char_index(0, 1, 1)][..]), ("NYC", &[doc_char_index(1, 0, 0)][..]), ("blue", &[doc_char_index(1, 1, 1)][..]), ("subway", &[doc_char_index(1, 2, 2)][..]), ("broken", &[doc_char_index(1, 3, 3)][..]), ("new", &[doc_char_index(2, 0, 0)][..]), ("york", &[doc_char_index(2, 1, 1)][..]), ("underground", &[doc_char_index(2, 2, 2)][..]), ("train", &[doc_char_index(2, 3, 3)][..]), ("broken", &[doc_char_index(2, 4, 4)][..]), ]); store.add_synonym( "new york", SetBuf::from_dirty(vec!["NYC", "NY", "new york city"]), ); store.add_synonym( "new york city", SetBuf::from_dirty(vec!["NYC", "NY", "new york"]), ); store.add_synonym("underground train", SetBuf::from_dirty(vec!["subway"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder .query(&reader, Some("new york underground train broken"), 0..20) .unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // underground assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // train assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // broken assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC = new assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC = york assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // NYC = city assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 4, is_exact: true, .. })); // subway = underground assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 5, is_exact: true, .. })); // subway = train assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 6, is_exact: true, .. })); // broken assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder .query(&reader, Some("new york city underground train broken"), 0..20) .unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 2, is_exact: true, .. })); // underground assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // train assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 4, is_exact: true, .. })); // broken assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // NYC = new assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // NYC = york assert_matches!(iter.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // subway = underground assert_matches!(iter.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway = train assert_matches!(iter.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // broken assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn intercrossed_multiword_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("new", &[doc_index(0, 0)][..]), ("york", &[doc_index(0, 1)][..]), ("big", &[doc_index(0, 2)][..]), ("city", &[doc_index(0, 3)][..]), ]); store.add_synonym("new york", SetBuf::from_dirty(vec!["new york city"])); store.add_synonym("new york city", SetBuf::from_dirty(vec!["new york"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("new york big "), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: false, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 4, is_exact: false, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // big assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); let mut store = TempDatabase::from_iter(vec![ ("NY", &[doc_index(0, 0)][..]), ("city", &[doc_index(0, 1)][..]), ("subway", &[doc_index(0, 2)][..]), ("NY", &[doc_index(1, 0)][..]), ("subway", &[doc_index(1, 1)][..]), ("NY", &[doc_index(2, 0)][..]), ("york", &[doc_index(2, 1)][..]), ("city", &[doc_index(2, 2)][..]), ("subway", &[doc_index(2, 3)][..]), ]); store.add_synonym("NY", SetBuf::from_dirty(vec!["new york city story"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("NY subway "), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: false, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: false, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 3, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // story assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn cumulative_word_indices() { let mut store = TempDatabase::from_iter(vec![ ("NYC", &[doc_index(0, 0)][..]), ("long", &[doc_index(0, 1)][..]), ("subway", &[doc_index(0, 2)][..]), ("cool", &[doc_index(0, 3)][..]), ]); store.add_synonym("new york city", SetBuf::from_dirty(vec!["NYC"])); store.add_synonym("subway", SetBuf::from_dirty(vec!["underground train"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder .query(&reader, Some("new york city long subway cool "), 0..20) .unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut matches = matches.into_iter(); assert_matches!(matches.next(), Some(SimpleMatch { query_index: 0, word_index: 0, is_exact: true, .. })); // new = NYC assert_matches!(matches.next(), Some(SimpleMatch { query_index: 1, word_index: 1, is_exact: true, .. })); // york = NYC assert_matches!(matches.next(), Some(SimpleMatch { query_index: 2, word_index: 2, is_exact: true, .. })); // city = NYC assert_matches!(matches.next(), Some(SimpleMatch { query_index: 3, word_index: 3, is_exact: true, .. })); // long assert_matches!(matches.next(), Some(SimpleMatch { query_index: 4, word_index: 4, is_exact: true, .. })); // subway = underground assert_matches!(matches.next(), Some(SimpleMatch { query_index: 5, word_index: 5, is_exact: true, .. })); // subway = train assert_matches!(matches.next(), Some(SimpleMatch { query_index: 6, word_index: 6, is_exact: true, .. })); // cool assert_matches!(matches.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn deunicoded_synonyms() { let mut store = TempDatabase::from_iter(vec![ ("telephone", &[doc_index(0, 0)][..]), // meilisearch indexes the unidecoded ("téléphone", &[doc_index(0, 0)][..]), // and the original words on the same DocIndex ("iphone", &[doc_index(1, 0)][..]), ]); store.add_synonym("téléphone", SetBuf::from_dirty(vec!["iphone"])); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("telephone"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("téléphone"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("télephone"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. })); assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn simple_concatenation() { let store = TempDatabase::from_iter(vec![ ("iphone", &[doc_index(0, 0)][..]), ("case", &[doc_index(0, 1)][..]), ]); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("i phone case"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // iphone assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 1, distance: 0, .. })); // iphone // assert_matches!(iter.next(), Some(SimpleMatch { query_index: 1, word_index: 0, distance: 1, .. })); "phone" // but no typo on first letter ^^^^^^^ assert_matches!(iter.next(), Some(SimpleMatch { query_index: 2, word_index: 2, distance: 0, .. })); // case assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn exact_field_count_one_word() { let store = TempDatabase::from_iter(vec![ ("searchengine", &[doc_index(0, 0)][..]), ("searchengine", &[doc_index(1, 0)][..]), ("blue", &[doc_index(1, 1)][..]), ("searchangine", &[doc_index(2, 0)][..]), ("searchengine", &[doc_index(3, 0)][..]), ]); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(3), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // searchengine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 1, .. })); // searchengine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn simple_phrase_query_splitting() { let store = TempDatabase::from_iter(vec![ ("search", &[doc_index(0, 0)][..]), ("engine", &[doc_index(0, 1)][..]), ("search", &[doc_index(1, 0)][..]), ("slow", &[doc_index(1, 1)][..]), ("engine", &[doc_index(1, 2)][..]), ]); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 0, distance: 0, .. })); // search assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 1, distance: 0, .. })); // engine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } #[test] fn harder_phrase_query_splitting() { let store = TempDatabase::from_iter(vec![ ("search", &[doc_index(0, 0)][..]), ("search", &[doc_index(0, 1)][..]), ("engine", &[doc_index(0, 2)][..]), ("search", &[doc_index(1, 0)][..]), ("slow", &[doc_index(1, 1)][..]), ("search", &[doc_index(1, 2)][..]), ("engine", &[doc_index(1, 3)][..]), ("search", &[doc_index(1, 0)][..]), ("search", &[doc_index(1, 1)][..]), ("slow", &[doc_index(1, 2)][..]), ("engine", &[doc_index(1, 3)][..]), ]); let db = &store.database; let reader = db.main_read_txn().unwrap(); let builder = store.query_builder(); let SortResult { documents, .. } = builder.query(&reader, Some("searchengine"), 0..20).unwrap(); let mut iter = documents.into_iter(); assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 1, distance: 0, .. })); // search assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 2, distance: 0, .. })); // engine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => { let mut iter = matches.into_iter(); assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 2, distance: 0, .. })); // search assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, word_index: 3, distance: 0, .. })); // engine assert_matches!(iter.next(), None); }); assert_matches!(iter.next(), None); } }