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Use the ExternalDocumentsIds in the Index struct

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Clément Renault 2020-11-22 17:28:41 +01:00
parent 415c0b86ba
commit fe82516f9f
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2 changed files with 35 additions and 11 deletions
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9
src/external_documents_ids.rs
View File

@ -12,7 +12,14 @@ impl<'a> ExternalDocumentsIds<'a> {
ExternalDocumentsIds { hard, soft }
}
pub fn get<A: AsRef<str>>(&self, external_id: A) -> Option<u32> {
pub fn into_static(self) -> ExternalDocumentsIds<'static> {
ExternalDocumentsIds {
hard: self.hard.map_data(|c| Cow::Owned(c.into_owned())).unwrap(),
soft: self.soft.map_data(|c| Cow::Owned(c.into_owned())).unwrap(),
}
}
pub fn get<A: AsRef<[u8]>>(&self, external_id: A) -> Option<u32> {
let external_id = external_id.as_ref();
match self.soft.get(external_id).or_else(|| self.hard.get(external_id)) {
// u64 MAX means deleted in the soft fst map

37
src/index.rs
View File

@ -7,6 +7,7 @@ use heed::types::*;
use heed::{PolyDatabase, Database, RwTxn, RoTxn};
use roaring::RoaringBitmap;
use crate::external_documents_ids::ExternalDocumentsIds;
use crate::facet::FacetType;
use crate::fields_ids_map::FieldsIdsMap;
use crate::Search;
@ -22,7 +23,8 @@ pub const FACETED_FIELDS_KEY: &str = "faceted-fields";
pub const FIELDS_IDS_MAP_KEY: &str = "fields-ids-map";
pub const PRIMARY_KEY_KEY: &str = "primary-key";
pub const SEARCHABLE_FIELDS_KEY: &str = "searchable-fields";
pub const EXTERNAL_DOCUMENTS_IDS_KEY: &str = "external-documents-ids";
pub const HARD_EXTERNAL_DOCUMENTS_IDS_KEY: &str = "hard-external-documents-ids";
pub const SOFT_EXTERNAL_DOCUMENTS_IDS_KEY: &str = "soft-external-documents-ids";
pub const WORDS_FST_KEY: &str = "words-fst";
#[derive(Clone)]
@ -121,18 +123,33 @@ impl Index {
/* external documents ids */
/// Writes the external documents ids, it is a byte slice (i.e. `[u8]`)
/// and refers to an internal id (i.e. `u32`).
pub fn put_external_documents_ids<A: AsRef<[u8]>>(&self, wtxn: &mut RwTxn, fst: &fst::Map<A>) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(wtxn, EXTERNAL_DOCUMENTS_IDS_KEY, fst.as_fst().as_bytes())
/// Writes the external documents ids and internal ids (i.e. `u32`).
pub fn put_external_documents_ids<'a>(
&self,
wtxn: &mut RwTxn,
external_documents_ids: &ExternalDocumentsIds<'a>,
) -> heed::Result<()>
{
let ExternalDocumentsIds { hard, soft } = external_documents_ids;
let hard = hard.as_fst().as_bytes();
let soft = soft.as_fst().as_bytes();
self.main.put::<_, Str, ByteSlice>(wtxn, HARD_EXTERNAL_DOCUMENTS_IDS_KEY, hard)?;
self.main.put::<_, Str, ByteSlice>(wtxn, SOFT_EXTERNAL_DOCUMENTS_IDS_KEY, soft)?;
Ok(())
}
/// Returns the external documents ids map which associate the external ids (i.e. `[u8]`)
/// Returns the external documents ids map which associate the external ids
/// with the internal ids (i.e. `u32`).
pub fn external_documents_ids<'t>(&self, rtxn: &'t RoTxn) -> anyhow::Result<fst::Map<Cow<'t, [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, EXTERNAL_DOCUMENTS_IDS_KEY)? {
Some(bytes) => Ok(fst::Map::new(bytes)?.map_data(Cow::Borrowed)?),
None => Ok(fst::Map::default().map_data(Cow::Owned)?),
pub fn external_documents_ids<'t>(&self, rtxn: &'t RoTxn) -> anyhow::Result<ExternalDocumentsIds<'t>> {
let hard = self.main.get::<_, Str, ByteSlice>(rtxn, HARD_EXTERNAL_DOCUMENTS_IDS_KEY)?;
let soft = self.main.get::<_, Str, ByteSlice>(rtxn, SOFT_EXTERNAL_DOCUMENTS_IDS_KEY)?;
match hard.zip(soft) {
Some((hard, soft)) => {
let hard = fst::Map::new(hard)?.map_data(Cow::Borrowed)?;
let soft = fst::Map::new(soft)?.map_data(Cow::Borrowed)?;
Ok(ExternalDocumentsIds::new(hard, soft))
},
None => Ok(ExternalDocumentsIds::default()),
}
}