MeiliSearch/meilisearch-core/src/update/clear_all.rs
2020-01-16 16:29:50 +01:00

33 lines
1.1 KiB
Rust

use crate::database::{MainT, UpdateT};
use crate::update::{next_update_id, Update};
use crate::{store, MResult, RankedMap};
pub fn apply_clear_all(
writer: &mut heed::RwTxn<MainT>,
index: &store::Index,
) -> MResult<()> {
index.main.put_words_fst(writer, &fst::Set::default())?;
index.main.put_ranked_map(writer, &RankedMap::default())?;
index.main.put_number_of_documents(writer, |_| 0)?;
index.documents_fields.clear(writer)?;
index.documents_fields_counts.clear(writer)?;
index.postings_lists.clear(writer)?;
index.docs_words.clear(writer)?;
index.prefix_documents_cache.clear(writer)?;
index.prefix_postings_lists_cache.clear(writer)?;
Ok(())
}
pub fn push_clear_all(
writer: &mut heed::RwTxn<UpdateT>,
updates_store: store::Updates,
updates_results_store: store::UpdatesResults,
) -> MResult<u64> {
let last_update_id = next_update_id(writer, updates_store, updates_results_store)?;
let update = Update::clear_all();
updates_store.put_update(writer, last_update_id, &update)?;
Ok(last_update_id)
}