void IDBTransaction::objectStoreDeleted(const String& name)
{
ASSERT(m_state != Finished);
ASSERT(isVersionChange());
IDBObjectStoreMap::iterator it = m_objectStoreMap.find(name);
if (it != m_objectStoreMap.end()) {
IDBObjectStore* objectStore = it->value;
m_objectStoreMap.remove(name);
objectStore->markDeleted();
m_objectStoreCleanupMap.set(objectStore, objectStore->metadata());
m_deletedObjectStores.add(objectStore);
}
}
void IDBTransaction::objectStoreDeleted(const int64_t objectStoreId,
const String& name) {
DCHECK_NE(m_state, Finished)
<< "A finished transaction deleted an object store";
DCHECK_EQ(m_mode, WebIDBTransactionModeVersionChange)
<< "A non-versionchange transaction deleted an object store";
IDBObjectStoreMap::iterator it = m_objectStoreMap.find(name);
if (it == m_objectStoreMap.end()) {
// No IDBObjectStore instance was created for the deleted store in this
// transaction. This happens if IDBDatabase.deleteObjectStore() is called
// with the name of a store that wasn't instantated. We need to be able to
// revert the metadata change if the transaction aborts, in order to return
// correct values from IDB{Database, Transaction}.objectStoreNames.
DCHECK(m_database->metadata().objectStores.contains(objectStoreId));
RefPtr<IDBObjectStoreMetadata> metadata =
m_database->metadata().objectStores.get(objectStoreId);
DCHECK(metadata.get());
DCHECK_EQ(metadata->name, name);
m_deletedObjectStores.append(std::move(metadata));
} else {
IDBObjectStore* objectStore = it->value;
m_objectStoreMap.remove(name);
objectStore->markDeleted();
if (objectStore->id() > m_oldDatabaseMetadata.maxObjectStoreId) {
// The store was created and deleted in this transaction, so it will
// not be restored even if the transaction aborts. We have just
// removed our last reference to it.
DCHECK(!m_oldStoreMetadata.contains(objectStore));
objectStore->clearIndexCache();
} else {
// The store was created before this transaction, and we created an
// IDBObjectStore instance for it. When that happened, we must have
// snapshotted the store's metadata as well.
DCHECK(m_oldStoreMetadata.contains(objectStore));
}
}
}
