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Fix a few db access crashes

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This commit is contained in:
Nicolas Werner 2021-03-12 17:13:56 +01:00
parent 2a70847c80
commit 6ad4065de4
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GPG key ID: C8D75E610773F2D9
2 changed files with 14 additions and 5 deletions
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6
src/Cache.cpp
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@ -787,6 +787,9 @@ Cache::isInitialized()
std::string
Cache::nextBatchToken()
{
if (!env_.handle())
throw lmdb::error("Env already closed", MDB_INVALID);
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
std::string_view token;
@ -1816,6 +1819,9 @@ Cache::getTimelineRange(const std::string &room_id)
std::optional<uint64_t>
Cache::getTimelineIndex(const std::string &room_id, std::string_view event_id)
{
if (event_id.empty() || room_id.empty())
return {};
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
lmdb::dbi orderDb;