d3v1l/matrixion
1
0
Fork 0
mirror of https://github.com/Nheko-Reborn/nheko.git synced 2024-11-25 20:48:52 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add db migration that clears the cache

Browse source 
This fixes spaces or stickers not showing up for old databases as well
as the wrong format of the state_keys db.
This commit is contained in:
Nicolas Werner 2021-08-22 14:45:57 +02:00
parent c7dc9fb17a
commit 63998a217a
No known key found for this signature in database
GPG key ID: C8D75E610773F2D9
2 changed files with 47 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

56
src/Cache.cpp
View file

@ -35,7 +35,7 @@
//! Should be changed when a breaking change occurs in the cache format.
//! This will reset client's data.
static const std::string CURRENT_CACHE_FORMAT_VERSION("2020.10.20");
static const std::string CURRENT_CACHE_FORMAT_VERSION("2021.08.22");
static const std::string SECRET("secret");
//! Keys used for the DB
@ -891,12 +891,6 @@ Cache::setNextBatchToken(lmdb::txn &txn, const std::string &token)
syncStateDb_.put(txn, NEXT_BATCH_KEY, token);
}
void
Cache::setNextBatchToken(lmdb::txn &txn, const QString &token)
{
setNextBatchToken(txn, token.toStdString());
}
bool
Cache::isInitialized()
{
@ -1137,6 +1131,51 @@ Cache::runMigrations()
nhlog::db()->info("Successfully migrated olm sessions.");
return true;
}},
{"2021.08.22",
[this]() {
try {
auto txn = lmdb::txn::begin(env_, nullptr);
auto try_drop = [this, &txn](const std::string &dbName) {
try {
auto db = lmdb::dbi::open(txn, dbName.c_str());
db.drop(txn, true);
} catch (std::exception &e) {
nhlog::db()->warning(
"Failed to drop '{}': {}", dbName, e.what());
}
};
auto room_ids = getRoomIds(txn);
for (const auto &room : room_ids) {
try_drop(room + "/state");
try_drop(room + "/state_by_key");
try_drop(room + "/account_data");
try_drop(room + "/members");
try_drop(room + "/mentions");
try_drop(room + "/events");
try_drop(room + "/event_order");
try_drop(room + "/event2order");
try_drop(room + "/msg2order");
try_drop(room + "/order2msg");
try_drop(room + "/pending");
try_drop(room + "/related");
}
// clear db, don't delete
roomsDb_.drop(txn, false);
setNextBatchToken(txn, "");
txn.commit();
} catch (const lmdb::error &) {
nhlog::db()->critical("Failed to clear cache!");
return false;
}
nhlog::db()->info(
"Successfully cleared the cache. Will do a clean sync after startup.");
return true;
}},
};
nhlog::db()->info("Running migrations, this may take a while!");
@ -3230,8 +3269,7 @@ Cache::isNotificationSent(const std::string &event_id)
std::vector<std::string>
Cache::getRoomIds(lmdb::txn &txn)
{
auto db = lmdb::dbi::open(txn, ROOMS_DB, MDB_CREATE);
auto cursor = lmdb::cursor::open(txn, db);
auto cursor = lmdb::cursor::open(txn, roomsDb_);
std::vector<std::string> rooms;

1
src/Cache_p.h
View file

@ -692,7 +692,6 @@ private:
std::optional<UserKeyCache> userKeys_(const std::string &user_id, lmdb::txn &txn);
void setNextBatchToken(lmdb::txn &txn, const std::string &token);
void setNextBatchToken(lmdb::txn &txn, const QString &token);
lmdb::env env_;
lmdb::dbi syncStateDb_;