mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-27 07:14:26 +01:00
Merge pull request #166 from meilisearch/split-query-words
Split query words
This commit is contained in:
Clément Renault
GitHub
commit
97cc3c7cce
@ -1,8 +1,7 @@
|
||||
use fst::Automaton;
|
||||
use lazy_static::lazy_static;
|
||||
use levenshtein_automata::{
|
||||
LevenshteinAutomatonBuilder as LevBuilder,
|
||||
DFA, Distance,
|
||||
DFA,
|
||||
};
|
||||
|
||||
lazy_static! {
|
||||
@ -11,55 +10,16 @@ lazy_static! {
|
||||
static ref LEVDIST2: LevBuilder = LevBuilder::new(2, false);
|
||||
}
|
||||
|
||||
pub struct DfaExt {
|
||||
query_len: usize,
|
||||
automaton: DFA,
|
||||
}
|
||||
|
||||
impl Automaton for DfaExt {
|
||||
type State = <DFA as Automaton>::State;
|
||||
|
||||
fn start(&self) -> Self::State {
|
||||
self.automaton.start()
|
||||
}
|
||||
|
||||
fn is_match(&self, state: &Self::State) -> bool {
|
||||
self.automaton.is_match(state)
|
||||
}
|
||||
|
||||
fn can_match(&self, state: &Self::State) -> bool {
|
||||
self.automaton.can_match(state)
|
||||
}
|
||||
|
||||
fn will_always_match(&self, state: &Self::State) -> bool {
|
||||
self.automaton.will_always_match(state)
|
||||
}
|
||||
|
||||
fn accept(&self, state: &Self::State, byte: u8) -> Self::State {
|
||||
self.automaton.accept(state, byte)
|
||||
}
|
||||
}
|
||||
|
||||
impl AutomatonExt for DfaExt {
|
||||
fn eval<B: AsRef<[u8]>>(&self, s: B) -> Distance {
|
||||
self.automaton.eval(s)
|
||||
}
|
||||
|
||||
fn query_len(&self) -> usize {
|
||||
self.query_len
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone)]
|
||||
enum PrefixSetting {
|
||||
Prefix,
|
||||
NoPrefix,
|
||||
}
|
||||
|
||||
fn build_dfa_with_setting(query: &str, setting: PrefixSetting) -> DfaExt {
|
||||
fn build_dfa_with_setting(query: &str, setting: PrefixSetting) -> DFA {
|
||||
use self::PrefixSetting::{Prefix, NoPrefix};
|
||||
|
||||
let dfa = match query.len() {
|
||||
match query.len() {
|
||||
0 ..= 4 => match setting {
|
||||
Prefix => LEVDIST0.build_prefix_dfa(query),
|
||||
NoPrefix => LEVDIST0.build_dfa(query),
|
||||
@ -72,20 +32,13 @@ fn build_dfa_with_setting(query: &str, setting: PrefixSetting) -> DfaExt {
|
||||
Prefix => LEVDIST2.build_prefix_dfa(query),
|
||||
NoPrefix => LEVDIST2.build_dfa(query),
|
||||
},
|
||||
};
|
||||
|
||||
DfaExt { query_len: query.len(), automaton: dfa }
|
||||
}
|
||||
}
|
||||
|
||||
pub fn build_prefix_dfa(query: &str) -> DfaExt {
|
||||
pub fn build_prefix_dfa(query: &str) -> DFA {
|
||||
build_dfa_with_setting(query, PrefixSetting::Prefix)
|
||||
}
|
||||
|
||||
pub fn build_dfa(query: &str) -> DfaExt {
|
||||
pub fn build_dfa(query: &str) -> DFA {
|
||||
build_dfa_with_setting(query, PrefixSetting::NoPrefix)
|
||||
}
|
||||
|
||||
pub trait AutomatonExt: Automaton {
|
||||
fn eval<B: AsRef<[u8]>>(&self, s: B) -> Distance;
|
||||
fn query_len(&self) -> usize;
|
||||
}
|
||||
|
||||
@ -11,8 +11,9 @@ use meilidb_tokenizer::{is_cjk, split_query_string};
|
||||
use rayon::slice::ParallelSliceMut;
|
||||
use sdset::SetBuf;
|
||||
use slice_group_by::GroupByMut;
|
||||
use levenshtein_automata::DFA;
|
||||
|
||||
use crate::automaton::{DfaExt, AutomatonExt, build_dfa, build_prefix_dfa};
|
||||
use crate::automaton::{build_dfa, build_prefix_dfa};
|
||||
use crate::distinct_map::{DistinctMap, BufferedDistinctMap};
|
||||
use crate::criterion::Criteria;
|
||||
use crate::raw_documents_from_matches;
|
||||
@ -21,18 +22,38 @@ use crate::{Match, DocumentId, Store, RawDocument, Document};
|
||||
const NGRAMS: usize = 3;
|
||||
|
||||
struct Automaton {
|
||||
index: usize,
|
||||
query_index: usize,
|
||||
query_len: usize,
|
||||
is_exact: bool,
|
||||
dfa: DfaExt,
|
||||
dfa: DFA,
|
||||
}
|
||||
|
||||
impl Automaton {
|
||||
fn exact(index: usize, dfa: DfaExt) -> Automaton {
|
||||
Automaton { index, is_exact: true, dfa }
|
||||
fn exact(query_index: usize, query: &str) -> Automaton {
|
||||
Automaton {
|
||||
query_index,
|
||||
query_len: query.len(),
|
||||
is_exact: true,
|
||||
dfa: build_dfa(query),
|
||||
}
|
||||
}
|
||||
|
||||
fn non_exact(index: usize, dfa: DfaExt) -> Automaton {
|
||||
Automaton { index, is_exact: false, dfa }
|
||||
fn prefix_exact(query_index: usize, query: &str) -> Automaton {
|
||||
Automaton {
|
||||
query_index,
|
||||
query_len: query.len(),
|
||||
is_exact: true,
|
||||
dfa: build_prefix_dfa(query),
|
||||
}
|
||||
}
|
||||
|
||||
fn non_exact(query_index: usize, query: &str) -> Automaton {
|
||||
Automaton {
|
||||
query_index,
|
||||
query_len: query.len(),
|
||||
is_exact: false,
|
||||
dfa: build_dfa(query),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -46,6 +67,29 @@ pub fn normalize_str(string: &str) -> String {
|
||||
string
|
||||
}
|
||||
|
||||
fn split_best_frequency<'a, S: Store>(
|
||||
word: &'a str,
|
||||
store: &S,
|
||||
) -> Result<Option<(&'a str, &'a str)>, S::Error>
|
||||
{
|
||||
let chars = word.char_indices().skip(1);
|
||||
let mut best = None;
|
||||
|
||||
for (i, _) in chars {
|
||||
let (left, right) = word.split_at(i);
|
||||
|
||||
let left_freq = store.word_indexes(left.as_bytes())?.map_or(0, |i| i.len());
|
||||
let right_freq = store.word_indexes(right.as_bytes())?.map_or(0, |i| i.len());
|
||||
let min_freq = cmp::min(left_freq, right_freq);
|
||||
|
||||
if min_freq != 0 && best.map_or(true, |(old, _, _)| min_freq > old) {
|
||||
best = Some((min_freq, left, right));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(best.map(|(_, l, r)| (l, r)))
|
||||
}
|
||||
|
||||
fn generate_automatons<S: Store>(query: &str, store: &S) -> Result<Vec<Automaton>, S::Error> {
|
||||
let has_end_whitespace = query.chars().last().map_or(false, char::is_whitespace);
|
||||
let query_words: Vec<_> = split_query_string(query).map(str::to_lowercase).collect();
|
||||
@ -54,19 +98,12 @@ fn generate_automatons<S: Store>(query: &str, store: &S) -> Result<Vec<Automaton
|
||||
let synonyms = store.synonyms()?;
|
||||
|
||||
for n in 1..=NGRAMS {
|
||||
let mut index = 0;
|
||||
let mut query_index = 0;
|
||||
let mut ngrams = query_words.windows(n).peekable();
|
||||
|
||||
while let Some(ngram_slice) = ngrams.next() {
|
||||
let ngram_nb_words = ngram_slice.len();
|
||||
let ngram = ngram_slice.join(" ");
|
||||
let concat = ngram_slice.concat();
|
||||
|
||||
// automaton of concatenation of query words
|
||||
let normalized = normalize_str(&concat);
|
||||
let lev = build_dfa(&normalized);
|
||||
let automaton = Automaton::exact(index, lev);
|
||||
automatons.push((automaton, normalized));
|
||||
|
||||
let has_following_word = ngrams.peek().is_some();
|
||||
let not_prefix_dfa = has_following_word || has_end_whitespace || ngram.chars().all(is_cjk);
|
||||
@ -92,11 +129,10 @@ fn generate_automatons<S: Store>(query: &str, store: &S) -> Result<Vec<Automaton
|
||||
let nb_synonym_words = split_query_string(synonyms).count();
|
||||
|
||||
for synonym in split_query_string(synonyms) {
|
||||
let lev = build_dfa(synonym);
|
||||
let automaton = if nb_synonym_words == 1 {
|
||||
Automaton::exact(index, lev)
|
||||
Automaton::exact(query_index, synonym)
|
||||
} else {
|
||||
Automaton::non_exact(index, lev)
|
||||
Automaton::non_exact(query_index, synonym)
|
||||
};
|
||||
automatons.push((automaton, synonym.to_owned()));
|
||||
}
|
||||
@ -105,22 +141,55 @@ fn generate_automatons<S: Store>(query: &str, store: &S) -> Result<Vec<Automaton
|
||||
}
|
||||
|
||||
if n == 1 {
|
||||
let lev = if not_prefix_dfa { build_dfa(&ngram) } else { build_prefix_dfa(&ngram) };
|
||||
let automaton = Automaton::exact(index, lev);
|
||||
// TODO we do not support "phrase query" in other words:
|
||||
// first term *must* follow the second term
|
||||
if let Some((left, right)) = split_best_frequency(&ngram, store)? {
|
||||
let automaton = Automaton::exact(query_index, left);
|
||||
automatons.push((automaton, left.to_owned()));
|
||||
|
||||
let automaton = Automaton::exact(query_index, right);
|
||||
automatons.push((automaton, right.to_owned()));
|
||||
}
|
||||
|
||||
let automaton = if not_prefix_dfa {
|
||||
Automaton::exact(query_index, &ngram)
|
||||
} else {
|
||||
Automaton::prefix_exact(query_index, &ngram)
|
||||
};
|
||||
automatons.push((automaton, ngram));
|
||||
|
||||
} else {
|
||||
// automaton of concatenation of query words
|
||||
let concat = ngram_slice.concat();
|
||||
let normalized = normalize_str(&concat);
|
||||
let automaton = Automaton::exact(query_index, &normalized);
|
||||
automatons.push((automaton, normalized));
|
||||
}
|
||||
|
||||
index += 1;
|
||||
query_index += 1;
|
||||
}
|
||||
}
|
||||
|
||||
automatons.sort_unstable_by(|a, b| (a.0.index, &a.1).cmp(&(b.0.index, &b.1)));
|
||||
automatons.dedup_by(|a, b| (a.0.index, &a.1) == (b.0.index, &b.1));
|
||||
automatons.sort_unstable_by(|a, b| (a.0.query_index, &a.1).cmp(&(b.0.query_index, &b.1)));
|
||||
automatons.dedup_by(|a, b| (a.0.query_index, &a.1) == (b.0.query_index, &b.1));
|
||||
let automatons = automatons.into_iter().map(|(a, _)| a).collect();
|
||||
|
||||
Ok(automatons)
|
||||
}
|
||||
|
||||
fn rewrite_matched_positions(matches: &mut [(DocumentId, Match)]) {
|
||||
for document_matches in matches.linear_group_by_mut(|(a, _), (b, _)| a == b) {
|
||||
let mut offset = 0;
|
||||
for query_indexes in document_matches.linear_group_by_mut(|(_, a), (_, b)| a.query_index == b.query_index) {
|
||||
let word_index = query_indexes[0].1.word_index - offset as u16;
|
||||
for (_, match_) in query_indexes.iter_mut() {
|
||||
match_.word_index = word_index;
|
||||
}
|
||||
offset += query_indexes.len() - 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct QueryBuilder<'c, S, FI = fn(DocumentId) -> bool> {
|
||||
store: S,
|
||||
criteria: Criteria<'c>,
|
||||
@ -184,9 +253,9 @@ where S: Store,
|
||||
|
||||
while let Some((input, indexed_values)) = stream.next() {
|
||||
for iv in indexed_values {
|
||||
let Automaton { index, is_exact, ref dfa } = automatons[iv.index];
|
||||
let Automaton { query_index, is_exact, query_len, ref dfa } = automatons[iv.index];
|
||||
let distance = dfa.eval(input).to_u8();
|
||||
let is_exact = is_exact && distance == 0 && input.len() == dfa.query_len();
|
||||
let is_exact = is_exact && distance == 0 && input.len() == query_len;
|
||||
|
||||
let doc_indexes = self.store.word_indexes(input)?;
|
||||
let doc_indexes = match doc_indexes {
|
||||
@ -197,8 +266,8 @@ where S: Store,
|
||||
for di in doc_indexes.as_slice() {
|
||||
if self.searchable_attrs.as_ref().map_or(true, |r| r.contains(&di.attribute)) {
|
||||
let match_ = Match {
|
||||
query_index: index as u32,
|
||||
distance: distance,
|
||||
query_index: query_index as u32,
|
||||
distance,
|
||||
attribute: di.attribute,
|
||||
word_index: di.word_index,
|
||||
is_exact,
|
||||
@ -206,23 +275,15 @@ where S: Store,
|
||||
char_length: di.char_length,
|
||||
};
|
||||
matches.push((di.document_id, match_));
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// rewrite the matched positions for next criteria evaluations
|
||||
matches.par_sort_unstable();
|
||||
|
||||
for document_matches in matches.linear_group_by_mut(|(a, _), (b, _)| a == b) {
|
||||
let mut offset = 0;
|
||||
for query_indexes in document_matches.linear_group_by_mut(|(_, a), (_, b)| a.query_index == b.query_index) {
|
||||
let word_index = query_indexes[0].1.word_index - offset as u16;
|
||||
for (_, match_) in query_indexes.iter_mut() {
|
||||
match_.word_index = word_index;
|
||||
}
|
||||
offset += query_indexes.len() - 1;
|
||||
}
|
||||
}
|
||||
rewrite_matched_positions(&mut matches);
|
||||
|
||||
let total_matches = matches.len();
|
||||
let padded_matches = SetBuf::from_dirty(matches);
|
||||
@ -543,6 +604,28 @@ mod tests {
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn simple() {
|
||||
let store = InMemorySetStore::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 builder = QueryBuilder::new(&store);
|
||||
let results = builder.query("iphone from apple", 0..20).unwrap();
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 1, word_index: 1, .. }));
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 2, word_index: 2, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn simple_synonyms() {
|
||||
let mut store = InMemorySetStore::from_iter(vec![
|
||||
@ -556,10 +639,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -568,10 +650,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
@ -590,10 +671,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -602,10 +682,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -635,10 +714,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -647,10 +725,9 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
@ -672,22 +749,19 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 3);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 3, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 5);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 5, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -696,22 +770,19 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 3);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 3, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 5);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 5, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
@ -720,22 +791,19 @@ mod tests {
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 0);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 0, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 3);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 3, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches }) => {
|
||||
assert_eq!(matches.len(), 1);
|
||||
let match_ = matches[0];
|
||||
assert_eq!(match_.query_index, 0);
|
||||
assert_eq!(match_.word_index, 5);
|
||||
let mut matches = matches.into_iter();
|
||||
assert_matches!(matches.next(), Some(Match { query_index: 0, word_index: 5, .. }));
|
||||
assert_matches!(matches.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
@ -933,6 +1001,12 @@ mod tests {
|
||||
("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"]));
|
||||
@ -943,6 +1017,16 @@ mod tests {
|
||||
let results = builder.query("new york underground train broken", 0..20).unwrap();
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches }) => {
|
||||
let mut iter = matches.into_iter();
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 1, .. })); // york
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 0, .. })); // new
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 1, word_index: 0, char_index: 1, .. })); // york
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 2, word_index: 1, char_index: 2, .. })); // underground
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 3, word_index: 2, char_index: 3, .. })); // train
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 4, word_index: 3, char_index: 4, .. })); // broken
|
||||
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(Match { query_index: 0, word_index: 0, .. })); // NYC = new york
|
||||
@ -962,6 +1046,16 @@ mod tests {
|
||||
let results = builder.query("new york city underground train broken", 0..20).unwrap();
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(2), matches }) => {
|
||||
let mut iter = matches.into_iter();
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 1, .. })); // york
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 0, .. })); // new
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 1, word_index: 0, char_index: 1, .. })); // york
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 3, word_index: 1, char_index: 2, .. })); // underground
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 4, word_index: 2, char_index: 3, .. })); // train
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 5, word_index: 3, char_index: 4, .. })); // broken
|
||||
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(Match { query_index: 0, word_index: 0, .. })); // NYC = new york city
|
||||
@ -1033,9 +1127,7 @@ mod tests {
|
||||
});
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches }) => {
|
||||
let mut iter = matches.into_iter();
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, distance: 0, .. })); // téléphone
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, distance: 1, .. })); // telephone
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, distance: 2, .. })); // télephone
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, distance: 1, .. })); // téléphone
|
||||
assert_matches!(iter.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
@ -1061,4 +1153,38 @@ mod tests {
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn simple_split() {
|
||||
let store = InMemorySetStore::from_iter(vec![
|
||||
("porte", &[doc_char_index(0, 0, 0)][..]),
|
||||
("feuille", &[doc_char_index(0, 1, 1)][..]),
|
||||
("search", &[doc_char_index(1, 0, 0)][..]),
|
||||
("engine", &[doc_char_index(1, 1, 1)][..]),
|
||||
]);
|
||||
|
||||
let builder = QueryBuilder::new(&store);
|
||||
let results = builder.query("portefeuille", 0..20).unwrap();
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches }) => {
|
||||
let mut iter = matches.into_iter();
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 0, .. })); // porte
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 1, .. })); // feuille
|
||||
assert_matches!(iter.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
|
||||
let builder = QueryBuilder::new(&store);
|
||||
let results = builder.query("searchengine", 0..20).unwrap();
|
||||
let mut iter = results.into_iter();
|
||||
|
||||
assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches }) => {
|
||||
let mut iter = matches.into_iter();
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 0, .. })); // search
|
||||
assert_matches!(iter.next(), Some(Match { query_index: 0, word_index: 0, char_index: 1, .. })); // engine
|
||||
assert_matches!(iter.next(), None);
|
||||
});
|
||||
assert_matches!(iter.next(), None);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user