searchengines-web/MeiliSearch
searchengines-web/MeiliSearch
1
0
Fork 0
mirror of https://github.com/meilisearch/MeiliSearch synced 2024-11-26 23:04:26 +01:00
Code Issues Releases Wiki Activity

Merge pull request #220 from meilisearch/all-documents-fields-iter

Browse Source 
Introduce an Iterator to visit all documents attributes counts
This commit is contained in:
Clément Renault 2019-10-15 15:42:30 +02:00 committed by GitHub
commit c332c7bc70
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
meilidb-core/src/store/documents_fields_counts.rs
View File

@ -80,6 +80,15 @@ impl DocumentsFieldsCounts {
let iter = self.documents_fields_counts.iter_start(reader)?; let iter = self.documents_fields_counts.iter_start(reader)?;
Ok(DocumentsIdsIter { last_seen_id: None, iter }) Ok(DocumentsIdsIter { last_seen_id: None, iter })
} }
pub fn all_documents_fields_counts<'r, T: rkv::Readable>(
&self,
reader: &'r T,
) -> Result<AllDocumentsFieldsCountsIter<'r>, rkv::StoreError>
{
let iter = self.documents_fields_counts.iter_start(reader)?;
Ok(AllDocumentsFieldsCountsIter { iter })
}
} }
pub struct DocumentFieldsCountsIter<'r> { pub struct DocumentFieldsCountsIter<'r> {
@ -132,3 +141,24 @@ impl Iterator for DocumentsIdsIter<'_> {
None None
} }
} }
pub struct AllDocumentsFieldsCountsIter<'r> {
iter: rkv::store::single::Iter<'r>,
}
impl<'r> Iterator for AllDocumentsFieldsCountsIter<'r> {
type Item = Result<(DocumentId, SchemaAttr, u64), rkv::StoreError>;
fn next(&mut self) -> Option<Self::Item> {
match self.iter.next() {
Some(Ok((key, Some(rkv::Value::U64(count))))) => {
let array = TryFrom::try_from(key).unwrap();
let (document_id, attr) = document_attribute_from_key(array);
Some(Ok((document_id, attr, count)))
},
Some(Ok((key, data))) => panic!("{:?}, {:?}", key, data),
Some(Err(e)) => Some(Err(e)),
None => None,
}
}
}