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// Sonic
//
// Fast, lightweight and schema-less search backend
// Copyright: 2019, Valerian Saliou <valerian@valeriansaliou.name>
// Copyright: 2026, Rémi Bardon <remi@remibardon.name>
// License: Mozilla Public License v2.0 (MPL v2.0)
use crate::store::StoreItem;
use crate::store::fst::{StoreFSTActionBuilder, StoreFSTMisc};
use crate::store::kv::StoreKVAcquireMode;
use crate::store::kv::StoreKVActionBuilder;
impl super::Executor {
pub fn count(&self, item: StoreItem) -> Result<u32, ()> {
match item {
// Count terms in (collection, bucket, object) from KV
StoreItem(collection, Some(bucket), Some(object)) => {
// Important: acquire database access read lock, and reference it in context. This \
// prevents the database from being erased while using it in this block.
let _kv_read_guard = self.kv_pool.lock_read_access();
if let Ok(kv_store) =
self.kv_pool
.acquire(StoreKVAcquireMode::OpenOnly, collection, None, |_| {})
{
let Some(kv_store) = kv_store else {
tracing::debug!(
"collection store does not exist, consider {bucket:?} from {collection:?} empty"
);
return Ok(0);
};
// Important: acquire bucket store read lock
executor_kv_lock_read!(kv_store);
let kv_action = StoreKVActionBuilder::access_read_only(bucket, kv_store);
// Try to resolve existing OID to IID
let oid = object.as_str();
kv_action
.get_oid_to_iid(oid)
.unwrap_or(None)
.map(|iid| {
// List terms for IID
if let Some(terms) = kv_action.get_iid_to_terms(iid).unwrap_or(None) {
terms.len() as u32
} else {
0
}
})
.ok_or(())
.or(Ok(0))
} else {
Err(())
}
}
// Count terms in (collection, bucket) from FST
StoreItem(collection, Some(bucket), None) => {
// Important: acquire graph access read lock, and reference it in context. This \
// prevents the graph from being erased while using it in this block.
let _fst_read_guard = self.fst_pool.lock_read_access();
if let Ok(fst_store) = self.fst_pool.acquire(collection, bucket) {
let fst_action = StoreFSTActionBuilder::access(fst_store);
Ok(fst_action.count_words() as u32)
} else {
Err(())
}
}
// Count buckets in (collection) from FS
StoreItem(collection, None, None) => {
StoreFSTMisc::count_collection_buckets(collection, &self.app_conf.store.fst)
.map(|count| count as u32)
}
_ => Err(()),
}
}
}