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Clémentine Urquizar 2021-06-13 23:51:33 +02:00
parent 65130d9ee7
commit d0ec081e49
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GPG Key ID: D8E7CC7422E77E1A
1 changed files with 380 additions and 112 deletions
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492
meilisearch-http/src/index/search.rs
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@ -1,4 +1,4 @@
use std::borrow::Cow;
// use std::borrow::Cow;
use std::collections::{BTreeMap, HashMap, HashSet, VecDeque};
use std::time::Instant;
@ -65,6 +65,12 @@ pub struct SearchResult {
pub facet_distributions: Option<BTreeMap<String, BTreeMap<String, u64>>>,
}
#[derive(Copy, Clone)]
struct FormatOptions {
highlight: bool,
crop: Option<usize>,
}
impl Index {
pub fn perform_search(&self, query: SearchQuery) -> anyhow::Result<SearchResult> {
let before_search = Instant::now();
@ -108,7 +114,9 @@ impl Index {
}
if let Some(id) = fields_ids_map.id(attr) {
ids.insert(id);
if displayed_ids.contains(&id) {
ids.insert(id);
}
}
}
ids
@ -120,51 +128,6 @@ impl Index {
.map(fids)
.unwrap_or_else(|| displayed_ids.clone());
let to_highlight_ids = query
.attributes_to_highlight
.as_ref()
.map(fids)
.unwrap_or_default();
let to_crop_ids_length = query
.attributes_to_crop
.as_ref()
.map(|attributes: &Vec<String>| {
let mut ids_length_crop = HashMap::new();
for attribute in attributes {
let mut attr_name = attribute.clone();
let mut attr_len = Some(query.crop_length);
if attr_name.contains(':') {
let mut split = attr_name.rsplit(':');
attr_len = match split.next() {
Some(s) => s.parse::<usize>().ok(),
None => None,
};
attr_name = split.flat_map(|s| s.chars()).collect();
}
if attr_name == "*" {
let ids = displayed_ids.clone();
for id in ids {
ids_length_crop.insert(id, attr_len);
}
}
if let Some(id) = fields_ids_map.id(&attr_name) {
ids_length_crop.insert(id, attr_len);
}
}
ids_length_crop
})
.unwrap_or_default();
let to_crop_ids = to_crop_ids_length
.clone()
.into_iter()
.map(|(k, _)| k)
.collect::<HashSet<_>>();
// The attributes to retrieve are:
// - the ones explicitly marked as to retrieve that are also in the displayed attributes
let all_attributes: Vec<_> = to_retrieve_ids
@ -173,25 +136,152 @@ impl Index {
.sorted()
.collect();
let mut formatted_options = HashMap::new();
let attr_to_highlight = query.attributes_to_highlight.unwrap_or_default();
for attr in attr_to_highlight {
let new_format = FormatOptions {
highlight: true,
crop: None,
};
if attr == "*" {
let ids = displayed_ids.clone();
for id in ids {
formatted_options.insert(id, new_format);
}
break;
}
if let Some(id) = fields_ids_map.id(&attr) {
if displayed_ids.contains(&id) {
formatted_options.insert(id, new_format);
}
}
};
let attr_to_crop = query.attributes_to_crop.unwrap_or_default();
for attr in attr_to_crop {
let mut attr_name = attr.clone();
let mut attr_len = Some(query.crop_length);
if attr_name.contains(':') {
let mut split = attr_name.rsplit(':');
attr_len = match split.next() {
Some(s) => s.parse::<usize>().ok(),
None => None,
};
attr_name = split.flat_map(|s| s.chars()).collect();
}
if attr_name == "*" {
let ids = displayed_ids.clone();
for id in ids {
let mut highlight = false;
if let Some(f) = formatted_options.get(&id) {
highlight = f.highlight;
}
formatted_options.insert(id, FormatOptions {
highlight: highlight,
crop: attr_len,
});
}
}
if let Some(id) = fields_ids_map.id(&attr_name) {
if displayed_ids.contains(&id) {
let mut highlight = false;
if let Some(f) = formatted_options.get(&id) {
highlight = f.highlight;
}
formatted_options.insert(id, FormatOptions {
highlight: highlight,
crop: attr_len,
});
}
}
}
let formatted_ids = formatted_options
.keys()
.cloned()
.collect::<HashSet<_>>();
// All attributes present in `_formatted` that are not necessary highighted or croped
let ids_in_formatted = formatted_ids
.union(&to_retrieve_ids)
.cloned()
.sorted()
.collect::<Vec<_>>();
// let to_highlight_ids = query // PLUS BESOIN
// .attributes_to_highlight
// .as_ref()
// .map(fids)
// .unwrap_or_default();
// let to_crop_ids_length = query
// .attributes_to_crop
// .as_ref()
// .map(|attributes: &Vec<String>| {
// let mut ids_length_crop = HashMap::new();
// for attribute in attributes {
// let mut attr_name = attribute.clone();
// let mut attr_len = Some(query.crop_length);
// if attr_name.contains(':') {
// let mut split = attr_name.rsplit(':');
// attr_len = match split.next() {
// Some(s) => s.parse::<usize>().ok(),
// None => None,
// };
// attr_name = split.flat_map(|s| s.chars()).collect();
// }
// if attr_name == "*" {
// let ids = displayed_ids.clone();
// for id in ids {
// ids_length_crop.insert(id, attr_len);
// }
// }
// if let Some(id) = fields_ids_map.id(&attr_name) {
// if displayed_ids.contains(&id) {
// ids_length_crop.insert(id, attr_len);
// }
// }
// }
// ids_length_crop
// })
// .unwrap_or_default();
// let to_crop_ids = to_crop_ids_length // PLUS BESOIN
// .clone()
// .into_iter()
// .map(|(k, _)| k)
// .collect::<HashSet<_>>();
// The formatted attributes are:
// - The one in either highlighted attributes or cropped attributes if there are attributes
// to retrieve
// - All the attributes to retrieve if there are either highlighted or cropped attributes
// the request specified that all attributes are to retrieve (i.e attributes to retrieve is
// empty in the query)
let all_formatted = if query.attributes_to_retrieve.is_none() {
if query.attributes_to_highlight.is_some() || query.attributes_to_crop.is_some() {
Cow::Borrowed(&all_attributes)
} else {
Cow::Owned(Vec::new())
}
} else {
let attrs = (&to_crop_ids | &to_highlight_ids)
.intersection(&displayed_ids)
.cloned()
.collect::<Vec<_>>();
Cow::Owned(attrs)
};
// let all_formatted = if query.attributes_to_retrieve.is_none() {
// if query.attributes_to_highlight.is_some() || query.attributes_to_crop.is_some() {
// Cow::Borrowed(&all_attributes)
// } else {
// Cow::Owned(Vec::new())
// }
// } else {
// let attrs = (&to_crop_ids | &to_highlight_ids)
// .intersection(&displayed_ids)
// .cloned()
// .collect::<Vec<_>>();
// Cow::Owned(attrs)
// };
let stop_words = fst::Set::default();
let formatter =
@ -204,9 +294,11 @@ impl Index {
obkv,
&formatter,
&matching_words,
all_formatted.as_ref().as_slice(),
&to_highlight_ids,
&to_crop_ids_length,
&ids_in_formatted,
// all_formatted.as_ref().as_slice(),
&formatted_options,
// &to_highlight_ids, //ICI
// &to_crop_ids_length, //ICI
)?;
let hit = SearchHit {
document,
@ -270,31 +362,38 @@ fn compute_formatted<A: AsRef<[u8]>>(
obkv: obkv::KvReader,
formatter: &Formatter<A>,
matching_words: &impl Matcher,
all_formatted: &[FieldId],
to_highlight_fields: &HashSet<FieldId>,
to_crop_fields: &HashMap<FieldId, Option<usize>>,
ids_in_formatted: &Vec<FieldId>,
formatted_options: &HashMap<FieldId, FormatOptions>,
// to_highlight_fields: &HashSet<FieldId>, //ICI
// to_crop_fields: &HashMap<FieldId, Option<usize>>, //ICI
) -> anyhow::Result<Document> {
let mut document = Document::new();
for field in all_formatted {
if let Some(value) = obkv.get(*field) {
let mut value: Value = serde_json::from_slice(value)?;
if formatted_options.len() > 0 {
for field in ids_in_formatted {
if let Some(value) = obkv.get(*field) {
let mut value: Value = serde_json::from_slice(value)?;
value = formatter.format_value(
value,
matching_words,
to_crop_fields.get(field).copied().flatten(),
to_highlight_fields.contains(field),
);
if let Some(format) = formatted_options.get(field) {
value = formatter.format_value(
value,
matching_words,
format.highlight,
format.crop,
// to_crop_fields.get(field).copied().flatten(), //ICI
// to_highlight_fields.contains(field), //ICI
);
}
// This unwrap must be safe since we got the ids from the fields_ids_map just
// before.
let key = field_ids_map
.name(*field)
.expect("Missing field name")
.to_string();
// This unwrap must be safe since we got the ids from the fields_ids_map just
// before.
let key = field_ids_map
.name(*field)
.expect("Missing field name")
.to_string();
document.insert(key, value);
document.insert(key, value);
}
}
}
@ -338,25 +437,25 @@ impl<'a, A: AsRef<[u8]>> Formatter<'a, A> {
&self,
value: Value,
matcher: &impl Matcher,
need_to_crop: Option<usize>,
need_to_highlight: bool,
need_to_crop: Option<usize>,
) -> Value {
match value {
Value::String(old_string) => {
let value =
self.format_string(old_string, matcher, need_to_crop, need_to_highlight);
self.format_string(old_string, matcher, need_to_highlight, need_to_crop);
Value::String(value)
}
Value::Array(values) => Value::Array(
values
.into_iter()
.map(|v| self.format_value(v, matcher, None, need_to_highlight))
.map(|v| self.format_value(v, matcher, need_to_highlight, None))
.collect(),
),
Value::Object(object) => Value::Object(
object
.into_iter()
.map(|(k, v)| (k, self.format_value(v, matcher, None, need_to_highlight)))
.map(|(k, v)| (k, self.format_value(v, matcher, need_to_highlight, None)))
.collect(),
),
value => value,
@ -367,8 +466,8 @@ impl<'a, A: AsRef<[u8]>> Formatter<'a, A> {
&self,
s: String,
matcher: &impl Matcher,
need_to_crop: Option<usize>,
need_to_highlight: bool,
need_to_crop: Option<usize>,
) -> String {
let analyzed = self.analyzer.analyze(&s);
@ -478,7 +577,7 @@ mod test {
use super::*;
#[test]
fn no_formatted() {
fn no_ids_no_formatted() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
@ -494,9 +593,8 @@ mod test {
let obkv = obkv::KvReader::new(&buf);
let all_formatted = Vec::new();
let to_highlight_ids = HashSet::new();
let to_crop_ids = HashMap::new();
let ids_in_formatted = Vec::new();
let formatted_options = HashMap::new();
let matching_words = MatchingWords::default();
@ -505,9 +603,8 @@ mod test {
obkv,
&formatter,
&matching_words,
&all_formatted,
&to_highlight_ids,
&to_crop_ids,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
@ -515,7 +612,7 @@ mod test {
}
#[test]
fn formatted_no_highlight() {
fn no_formatted_with_ids() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
@ -531,9 +628,8 @@ mod test {
let obkv = obkv::KvReader::new(&buf);
let all_formatted = vec![id];
let to_highlight_ids = HashSet::new();
let to_crop_ids = HashMap::new();
let ids_in_formatted = vec![id];
let formatted_options = HashMap::new();
let matching_words = MatchingWords::default();
@ -542,13 +638,12 @@ mod test {
obkv,
&formatter,
&matching_words,
&all_formatted,
&to_highlight_ids,
&to_crop_ids,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["test"], "hello");
assert!(value.is_empty());
}
#[test]
@ -558,33 +653,206 @@ mod test {
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
let mut fields = FieldsIdsMap::new();
let id = fields.insert("test").unwrap();
let title = fields.insert("title").unwrap();
let author = fields.insert("author").unwrap();
let mut buf = Vec::new();
let mut obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(id, Value::String("hello".into()).to_string().as_bytes())
obkv.insert(title, Value::String("The Hobbit".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(author, Value::String("J. R. R. Tolkien".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
let obkv = obkv::KvReader::new(&buf);
let all_formatted = vec![id];
let to_highlight_ids = HashSet::from_iter(Some(id));
let to_crop_ids = HashMap::new();
let ids_in_formatted = vec![title, author];
let mut formatted_options = HashMap::new();
formatted_options.insert(title, FormatOptions { highlight: true, crop: None });
let matching_words = HashSet::from_iter(Some(String::from("hello")));
let matching_words = HashSet::from_iter(Some(String::from("hobbit")));
let value = compute_formatted(
&fields,
obkv,
&formatter,
&matching_words,
&all_formatted,
&to_highlight_ids,
&to_crop_ids,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["test"], "<em>hello</em>");
assert_eq!(value["title"], "The <em>Hobbit</em>");
assert_eq!(value["author"], "J. R. R. Tolkien");
}
#[test]
fn formatted_with_crop_2() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
let mut fields = FieldsIdsMap::new();
let title = fields.insert("title").unwrap();
let author = fields.insert("author").unwrap();
let mut buf = Vec::new();
let mut obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(title, Value::String("Harry Potter and the Half-Blood Prince".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(author, Value::String("J. K. Rowling".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
let obkv = obkv::KvReader::new(&buf);
let ids_in_formatted = vec![title, author];
let mut formatted_options = HashMap::new();
formatted_options.insert(title, FormatOptions { highlight: false, crop: Some(2) });
let matching_words = HashSet::from_iter(Some(String::from("potter")));
let value = compute_formatted(
&fields,
obkv,
&formatter,
&matching_words,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["title"], "Harry Potter and");
assert_eq!(value["author"], "J. K. Rowling");
}
#[test]
fn formatted_with_crop_10() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
let mut fields = FieldsIdsMap::new();
let title = fields.insert("title").unwrap();
let author = fields.insert("author").unwrap();
let mut buf = Vec::new();
let mut obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(title, Value::String("Harry Potter and the Half-Blood Prince".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(author, Value::String("J. K. Rowling".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
let obkv = obkv::KvReader::new(&buf);
let ids_in_formatted = vec![title, author];
let mut formatted_options = HashMap::new();
formatted_options.insert(title, FormatOptions { highlight: false, crop: Some(10) });
let matching_words = HashSet::from_iter(Some(String::from("potter")));
let value = compute_formatted(
&fields,
obkv,
&formatter,
&matching_words,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["title"], "Harry Potter and the Half");
assert_eq!(value["author"], "J. K. Rowling");
}
#[test]
fn formatted_with_crop_0() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
let mut fields = FieldsIdsMap::new();
let title = fields.insert("title").unwrap();
let author = fields.insert("author").unwrap();
let mut buf = Vec::new();
let mut obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(title, Value::String("Harry Potter and the Half-Blood Prince".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(author, Value::String("J. K. Rowling".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
let obkv = obkv::KvReader::new(&buf);
let ids_in_formatted = vec![title, author];
let mut formatted_options = HashMap::new();
formatted_options.insert(title, FormatOptions { highlight: false, crop: Some(0) });
let matching_words = HashSet::from_iter(Some(String::from("potter")));
let value = compute_formatted(
&fields,
obkv,
&formatter,
&matching_words,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["title"], "Potter");
assert_eq!(value["author"], "J. K. Rowling");
}
#[test]
fn formatted_with_crop_and_highlight() {
let stop_words = fst::Set::default();
let formatter =
Formatter::new(&stop_words, (String::from("<em>"), String::from("</em>")));
let mut fields = FieldsIdsMap::new();
let title = fields.insert("title").unwrap();
let author = fields.insert("author").unwrap();
let mut buf = Vec::new();
let mut obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(title, Value::String("Harry Potter and the Half-Blood Prince".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
obkv = obkv::KvWriter::new(&mut buf);
obkv.insert(author, Value::String("J. K. Rowling".into()).to_string().as_bytes())
.unwrap();
obkv.finish().unwrap();
let obkv = obkv::KvReader::new(&buf);
let ids_in_formatted = vec![title, author];
let mut formatted_options = HashMap::new();
formatted_options.insert(title, FormatOptions { highlight: true, crop: Some(1) });
let matching_words = HashSet::from_iter(Some(String::from("and")));
let value = compute_formatted(
&fields,
obkv,
&formatter,
&matching_words,
&ids_in_formatted,
&formatted_options,
)
.unwrap();
assert_eq!(value["title"], " <em>and</em> ");
assert_eq!(value["author"], "J. K. Rowling");
}
}