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Introduce the Transform type into the indexing system

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Clément Renault
2020-10-24 16:23:08 +02:00
parent b44b04d25b
commit a7a4984175
8 changed files with 173 additions and 251 deletions
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12
src/index.rs
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@ -14,7 +14,7 @@ use crate::{
pub const WORDS_FST_KEY: &str = "words-fst";
pub const FIELDS_IDS_MAP_KEY: &str = "fields-ids-map";
pub const DOCUMENTS_IDS_KEY: &str = "documents-ids";
pub const USER_IDS_DOCUMENTS_IDS_KEY: &str = "user-ids-documents-ids";
pub const USERS_IDS_DOCUMENTS_IDS_KEY: &str = "users-ids-documents-ids";
#[derive(Clone)]
pub struct Index {
@ -51,16 +51,16 @@ impl Index {
self.main.get::<_, Str, RoaringBitmapCodec>(rtxn, DOCUMENTS_IDS_KEY)
}
/// Writes the user ids documents ids, a user id is a byte slice (i.e. `[u8]`)
/// Writes the users ids documents ids, a user id is a byte slice (i.e. `[u8]`)
/// and refers to an internal id (i.e. `u32`).
pub fn put_user_ids_documents_ids<A: AsRef<[u8]>>(&self, wtxn: &mut heed::RwTxn, fst: &fst::Set<A>) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(wtxn, USER_IDS_DOCUMENTS_IDS_KEY, fst.as_fst().as_bytes())
pub fn put_users_ids_documents_ids<A: AsRef<[u8]>>(&self, wtxn: &mut heed::RwTxn, fst: &fst::Map<A>) -> heed::Result<()> {
self.main.put::<_, Str, ByteSlice>(wtxn, USERS_IDS_DOCUMENTS_IDS_KEY, fst.as_fst().as_bytes())
}
/// Returns the user ids documents ids map which associate the user ids (i.e. `[u8]`)
/// with the internal ids (i.e. `u32`).
pub fn user_ids_documents_ids<'t>(&self, rtxn: &'t heed::RoTxn) -> anyhow::Result<Option<fst::Map<&'t [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, USER_IDS_DOCUMENTS_IDS_KEY)? {
pub fn users_ids_documents_ids<'t>(&self, rtxn: &'t heed::RoTxn) -> anyhow::Result<Option<fst::Map<&'t [u8]>>> {
match self.main.get::<_, Str, ByteSlice>(rtxn, USERS_IDS_DOCUMENTS_IDS_KEY)? {
Some(bytes) => Ok(Some(fst::Map::new(bytes)?)),
None => Ok(None),
}