mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-12-27 07:00:05 +01:00
Skip iterating over documents when the faceted field list doesn't change
This commit is contained in:
ManyTheFish
parent
17c5ceeb9d
commit
d29d4f88da
@ -66,11 +66,6 @@ pub fn extract_fid_docid_facet_values<R: io::Read + io::Seek>(
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max_memory.map(|m| m / 2),
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);
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let old_faceted_fids: BTreeSet<_> =
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settings_diff.old.faceted_fields_ids.iter().copied().collect();
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let new_faceted_fids: BTreeSet<_> =
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settings_diff.new.faceted_fields_ids.iter().copied().collect();
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// The tuples represents the Del and Add side for a bitmap
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let mut facet_exists_docids = BTreeMap::<FieldId, (RoaringBitmap, RoaringBitmap)>::new();
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let mut facet_is_null_docids = BTreeMap::<FieldId, (RoaringBitmap, RoaringBitmap)>::new();
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@ -80,172 +75,181 @@ pub fn extract_fid_docid_facet_values<R: io::Read + io::Seek>(
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let mut numbers_key_buffer = Vec::new();
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let mut strings_key_buffer = Vec::new();
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let mut cursor = obkv_documents.into_cursor()?;
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while let Some((docid_bytes, value)) = cursor.move_on_next()? {
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let obkv = obkv::KvReader::new(value);
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let get_document_json_value = move |field_id, side| {
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obkv.get(field_id)
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.map(KvReaderDelAdd::new)
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.and_then(|kv| kv.get(side))
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.map(from_slice)
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.transpose()
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.map_err(InternalError::SerdeJson)
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};
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// iterate over the faceted fields instead of over the whole document.
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for eob in
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merge_join_by(old_faceted_fids.iter(), new_faceted_fids.iter(), |old, new| old.cmp(new))
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{
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let (field_id, del_value, add_value) = match eob {
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EitherOrBoth::Left(&field_id) => {
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let del_value = get_document_json_value(field_id, DelAdd::Deletion)?;
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let old_faceted_fids: BTreeSet<_> =
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settings_diff.old.faceted_fields_ids.iter().copied().collect();
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let new_faceted_fids: BTreeSet<_> =
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settings_diff.new.faceted_fields_ids.iter().copied().collect();
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// deletion only
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(field_id, del_value, None)
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}
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EitherOrBoth::Right(&field_id) => {
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let add_value = get_document_json_value(field_id, DelAdd::Addition)?;
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if !settings_diff.settings_update_only || old_faceted_fids != new_faceted_fids {
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let mut cursor = obkv_documents.into_cursor()?;
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while let Some((docid_bytes, value)) = cursor.move_on_next()? {
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let obkv = obkv::KvReader::new(value);
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let get_document_json_value = move |field_id, side| {
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obkv.get(field_id)
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.map(KvReaderDelAdd::new)
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.and_then(|kv| kv.get(side))
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.map(from_slice)
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.transpose()
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.map_err(InternalError::SerdeJson)
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};
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// iterate over the faceted fields instead of over the whole document.
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for eob in
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merge_join_by(old_faceted_fids.iter(), new_faceted_fids.iter(), |old, new| {
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old.cmp(new)
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})
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{
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let (field_id, del_value, add_value) = match eob {
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EitherOrBoth::Left(&field_id) => {
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let del_value = get_document_json_value(field_id, DelAdd::Deletion)?;
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// addition only
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(field_id, None, add_value)
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}
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EitherOrBoth::Both(&field_id, _) => {
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// during settings update, recompute the changing settings only.
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if settings_diff.settings_update_only {
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continue;
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// deletion only
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(field_id, del_value, None)
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}
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EitherOrBoth::Right(&field_id) => {
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let add_value = get_document_json_value(field_id, DelAdd::Addition)?;
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// addition only
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(field_id, None, add_value)
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}
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EitherOrBoth::Both(&field_id, _) => {
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// during settings update, recompute the changing settings only.
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if settings_diff.settings_update_only {
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continue;
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}
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let del_value = get_document_json_value(field_id, DelAdd::Deletion)?;
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let add_value = get_document_json_value(field_id, DelAdd::Addition)?;
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(field_id, del_value, add_value)
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}
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};
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if del_value.is_some() || add_value.is_some() {
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numbers_key_buffer.clear();
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strings_key_buffer.clear();
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// Set key to the field_id
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// Note: this encoding is consistent with FieldIdCodec
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numbers_key_buffer.extend_from_slice(&field_id.to_be_bytes());
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strings_key_buffer.extend_from_slice(&field_id.to_be_bytes());
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let document: [u8; 4] = docid_bytes[..4].try_into().ok().unwrap();
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let document = DocumentId::from_be_bytes(document);
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// For the other extraction tasks, prefix the key with the field_id and the document_id
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numbers_key_buffer.extend_from_slice(docid_bytes);
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strings_key_buffer.extend_from_slice(docid_bytes);
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// We insert the document id on the Del and the Add side if the field exists.
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let (ref mut del_exists, ref mut add_exists) =
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facet_exists_docids.entry(field_id).or_default();
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let (ref mut del_is_null, ref mut add_is_null) =
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facet_is_null_docids.entry(field_id).or_default();
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let (ref mut del_is_empty, ref mut add_is_empty) =
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facet_is_empty_docids.entry(field_id).or_default();
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if del_value.is_some() {
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del_exists.insert(document);
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}
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if add_value.is_some() {
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add_exists.insert(document);
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}
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let del_value = get_document_json_value(field_id, DelAdd::Deletion)?;
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let add_value = get_document_json_value(field_id, DelAdd::Addition)?;
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let del_geo_support = settings_diff
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.old
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.geo_fields_ids
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.map_or(false, |(lat, lng)| field_id == lat || field_id == lng);
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let add_geo_support = settings_diff
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.new
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.geo_fields_ids
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.map_or(false, |(lat, lng)| field_id == lat || field_id == lng);
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let del_filterable_values =
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del_value.map(|value| extract_facet_values(&value, del_geo_support));
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let add_filterable_values =
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add_value.map(|value| extract_facet_values(&value, add_geo_support));
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(field_id, del_value, add_value)
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}
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};
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// Those closures are just here to simplify things a bit.
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let mut insert_numbers_diff = |del_numbers, add_numbers| {
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insert_numbers_diff(
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&mut fid_docid_facet_numbers_sorter,
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&mut numbers_key_buffer,
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del_numbers,
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add_numbers,
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)
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};
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let mut insert_strings_diff = |del_strings, add_strings| {
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insert_strings_diff(
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&mut fid_docid_facet_strings_sorter,
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&mut strings_key_buffer,
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del_strings,
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add_strings,
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)
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};
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if del_value.is_some() || add_value.is_some() {
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numbers_key_buffer.clear();
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strings_key_buffer.clear();
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// Set key to the field_id
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// Note: this encoding is consistent with FieldIdCodec
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numbers_key_buffer.extend_from_slice(&field_id.to_be_bytes());
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strings_key_buffer.extend_from_slice(&field_id.to_be_bytes());
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let document: [u8; 4] = docid_bytes[..4].try_into().ok().unwrap();
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let document = DocumentId::from_be_bytes(document);
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// For the other extraction tasks, prefix the key with the field_id and the document_id
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numbers_key_buffer.extend_from_slice(docid_bytes);
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strings_key_buffer.extend_from_slice(docid_bytes);
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// We insert the document id on the Del and the Add side if the field exists.
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let (ref mut del_exists, ref mut add_exists) =
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facet_exists_docids.entry(field_id).or_default();
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let (ref mut del_is_null, ref mut add_is_null) =
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facet_is_null_docids.entry(field_id).or_default();
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let (ref mut del_is_empty, ref mut add_is_empty) =
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facet_is_empty_docids.entry(field_id).or_default();
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if del_value.is_some() {
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del_exists.insert(document);
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}
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if add_value.is_some() {
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add_exists.insert(document);
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}
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let del_geo_support = settings_diff
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.old
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.geo_fields_ids
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.map_or(false, |(lat, lng)| field_id == lat || field_id == lng);
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let add_geo_support = settings_diff
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.new
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.geo_fields_ids
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.map_or(false, |(lat, lng)| field_id == lat || field_id == lng);
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let del_filterable_values =
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del_value.map(|value| extract_facet_values(&value, del_geo_support));
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let add_filterable_values =
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add_value.map(|value| extract_facet_values(&value, add_geo_support));
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// Those closures are just here to simplify things a bit.
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let mut insert_numbers_diff = |del_numbers, add_numbers| {
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insert_numbers_diff(
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&mut fid_docid_facet_numbers_sorter,
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&mut numbers_key_buffer,
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del_numbers,
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add_numbers,
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)
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};
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let mut insert_strings_diff = |del_strings, add_strings| {
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insert_strings_diff(
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&mut fid_docid_facet_strings_sorter,
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&mut strings_key_buffer,
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del_strings,
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add_strings,
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)
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};
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match (del_filterable_values, add_filterable_values) {
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(None, None) => (),
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(Some(del_filterable_values), None) => match del_filterable_values {
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Null => {
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del_is_null.insert(document);
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}
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Empty => {
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del_is_empty.insert(document);
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}
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Values { numbers, strings } => {
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insert_numbers_diff(numbers, vec![])?;
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insert_strings_diff(strings, vec![])?;
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}
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},
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(None, Some(add_filterable_values)) => match add_filterable_values {
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Null => {
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add_is_null.insert(document);
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}
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Empty => {
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add_is_empty.insert(document);
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}
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Values { numbers, strings } => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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}
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},
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(Some(del_filterable_values), Some(add_filterable_values)) => {
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match (del_filterable_values, add_filterable_values) {
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(Null, Null) | (Empty, Empty) => (),
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(Null, Empty) => {
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del_is_null.insert(document);
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add_is_empty.insert(document);
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}
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(Empty, Null) => {
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del_is_empty.insert(document);
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add_is_null.insert(document);
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}
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(Null, Values { numbers, strings }) => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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match (del_filterable_values, add_filterable_values) {
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(None, None) => (),
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(Some(del_filterable_values), None) => match del_filterable_values {
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Null => {
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del_is_null.insert(document);
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}
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(Empty, Values { numbers, strings }) => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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Empty => {
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del_is_empty.insert(document);
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}
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(Values { numbers, strings }, Null) => {
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add_is_null.insert(document);
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Values { numbers, strings } => {
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insert_numbers_diff(numbers, vec![])?;
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insert_strings_diff(strings, vec![])?;
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}
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(Values { numbers, strings }, Empty) => {
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add_is_empty.insert(document);
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insert_numbers_diff(numbers, vec![])?;
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insert_strings_diff(strings, vec![])?;
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},
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(None, Some(add_filterable_values)) => match add_filterable_values {
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Null => {
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add_is_null.insert(document);
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}
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(
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Values { numbers: del_numbers, strings: del_strings },
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Values { numbers: add_numbers, strings: add_strings },
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) => {
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insert_numbers_diff(del_numbers, add_numbers)?;
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insert_strings_diff(del_strings, add_strings)?;
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Empty => {
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add_is_empty.insert(document);
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}
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Values { numbers, strings } => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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}
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},
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(Some(del_filterable_values), Some(add_filterable_values)) => {
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match (del_filterable_values, add_filterable_values) {
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(Null, Null) | (Empty, Empty) => (),
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(Null, Empty) => {
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del_is_null.insert(document);
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add_is_empty.insert(document);
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}
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(Empty, Null) => {
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del_is_empty.insert(document);
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add_is_null.insert(document);
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}
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(Null, Values { numbers, strings }) => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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del_is_null.insert(document);
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}
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(Empty, Values { numbers, strings }) => {
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insert_numbers_diff(vec![], numbers)?;
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insert_strings_diff(vec![], strings)?;
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del_is_empty.insert(document);
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}
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(Values { numbers, strings }, Null) => {
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add_is_null.insert(document);
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insert_numbers_diff(numbers, vec![])?;
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insert_strings_diff(strings, vec![])?;
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}
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(Values { numbers, strings }, Empty) => {
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add_is_empty.insert(document);
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insert_numbers_diff(numbers, vec![])?;
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insert_strings_diff(strings, vec![])?;
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}
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(
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Values { numbers: del_numbers, strings: del_strings },
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Values { numbers: add_numbers, strings: add_strings },
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) => {
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insert_numbers_diff(del_numbers, add_numbers)?;
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insert_strings_diff(del_strings, add_strings)?;
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}
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}
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}
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}
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