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fix race + assert

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This commit is contained in:
Nikita Mikhaylov 2020-01-28 16:09:30 +03:00
parent c0975b4031
commit 8cd434fb15
1 changed files with 3 additions and 2 deletions
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5
dbms/src/Dictionaries/CacheDictionary.inc.h
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@ -342,18 +342,19 @@ void CacheDictionary::prepareAnswer(
PresentIdHandler && on_cell_updated,
AbsentIdHandler && on_id_not_found) const
{
const ProfilingScopedWriteRWLock write_lock{rw_lock, ProfileEvents::DictCacheLockWriteNs};
/// Prepare answer
const auto now = std::chrono::system_clock::now();
for (const auto & id : update_unit_ptr->requested_ids)
{
const auto find_result = findCellIdx(id, now);
assert(find_result.valid);
const auto & cell_idx = find_result.cell_idx;
auto & cell = cells[cell_idx];
const auto was_id_updated = update_unit_ptr->found_ids_mask_ptr->at(id);
const ProfilingScopedWriteRWLock write_lock{rw_lock, ProfileEvents::DictCacheLockWriteNs};
if (was_id_updated)
{
on_cell_updated(id, find_result.cell_idx);