C++ DBTransaction::commit方法代码示例

bool IOMapSerialize::saveMap()
{
	int64_t start = OTSYS_TIME();
	Database* db = Database::getInstance();
	std::ostringstream query;

	//Start the transaction
	DBTransaction transaction;
	if (!transaction.begin()) {
		return false;
	}

	//clear old tile data
	if (!db->executeQuery("DELETE FROM `tile_store`")) {
		return false;
	}

	DBInsert stmt;
	stmt.setQuery("INSERT INTO `tile_store` (`house_id`, `data`) VALUES ");

	PropWriteStream stream;
	for (const auto& it : Houses::getInstance().getHouses()) {
		//save house items
		House* house = it.second;
		for (HouseTile* tile : house->getTiles()) {
			saveTile(stream, tile);

			size_t attributesSize;
			const char* attributes = stream.getStream(attributesSize);
			if (attributesSize > 0) {
				query << house->getId() << ',' << db->escapeBlob(attributes, attributesSize);
				if (!stmt.addRow(query)) {
					return false;
				}
			}

			stream.clear();
		}
	}

	if (!stmt.execute()) {
		return false;
	}

	//End the transaction
	bool success = transaction.commit();
	std::cout << "> Saved house items in: " <<
	          (OTSYS_TIME() - start) / (1000.) << " s" << std::endl;
	return success;
}

//.........这里部分代码省略.........

	DBInsert spellsQuery("INSERT INTO `player_spells` (`player_id`, `name` ) VALUES ");
	for (const std::string& spellName : player->learnedInstantSpellList) {
		query << player->getGUID() << ',' << db->escapeString(spellName);
		if (!spellsQuery.addRow(query)) {
			return false;
		}
	}

	if (!spellsQuery.execute()) {
		return false;
	}

	//item saving
	query << "DELETE FROM `player_items` WHERE `player_id` = " << player->getGUID();
	if (!db->executeQuery(query.str())) {
		return false;
	}

	DBInsert itemsQuery("INSERT INTO `player_items` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");

	ItemBlockList itemList;
	for (int32_t slotId = 1; slotId <= 10; ++slotId) {
		Item* item = player->inventory[slotId];
		if (item) {
			itemList.emplace_back(slotId, item);
		}
	}

	if (!saveItems(player, itemList, itemsQuery, propWriteStream)) {
		return false;
	}

	if (player->lastDepotId != -1) {
		//save depot items
		query.str("");
		query << "DELETE FROM `player_depotitems` WHERE `player_id` = " << player->getGUID();

		if (!db->executeQuery(query.str())) {
			return false;
		}

		DBInsert depotQuery("INSERT INTO `player_depotitems` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");
		itemList.clear();

		for (const auto& it : player->depotChests) {
			DepotChest* depotChest = it.second;
			for (Item* item : depotChest->getItemList()) {
				itemList.emplace_back(it.first, item);
			}
		}

		if (!saveItems(player, itemList, depotQuery, propWriteStream)) {
			return false;
		}
	}

	//save inbox items
	query.str("");
	query << "DELETE FROM `player_inboxitems` WHERE `player_id` = " << player->getGUID();
	if (!db->executeQuery(query.str())) {
		return false;
	}

	DBInsert inboxQuery("INSERT INTO `player_inboxitems` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");
	itemList.clear();

	for (Item* item : player->getInbox()->getItemList()) {
		itemList.emplace_back(0, item);
	}

	if (!saveItems(player, itemList, inboxQuery, propWriteStream)) {
		return false;
	}

	query.str("");
	query << "DELETE FROM `player_storage` WHERE `player_id` = " << player->getGUID();
	if (!db->executeQuery(query.str())) {
		return false;
	}

	query.str("");

	DBInsert storageQuery("INSERT INTO `player_storage` (`player_id`, `key`, `value`) VALUES ");
	player->genReservedStorageRange();

	for (const auto& it : player->storageMap) {
		query << player->getGUID() << ',' << it.first << ',' << it.second;
		if (!storageQuery.addRow(query)) {
			return false;
		}
	}

	if (!storageQuery.execute()) {
		return false;
	}

	//End the transaction
	return transaction.commit();
}

bool IOMapSerialize::saveHouseInfo()
{
	Database& db = Database::getInstance();

	DBTransaction transaction;
	if (!transaction.begin()) {
		return false;
	}

	if (!db.executeQuery("DELETE FROM `house_lists`")) {
		return false;
	}

	std::ostringstream query;
	for (const auto& it : g_game.map.houses.getHouses()) {
		House* house = it.second;
		query << "SELECT `id` FROM `houses` WHERE `id` = " << house->getId();
		DBResult_ptr result = db.storeQuery(query.str());
		if (result) {
			query.str(std::string());
			query << "UPDATE `houses` SET `owner` = " << house->getOwner() << ", `paid` = " << house->getPaidUntil() << ", `warnings` = " << house->getPayRentWarnings() << ", `name` = " << db.escapeString(house->getName()) << ", `town_id` = " << house->getTownId() << ", `rent` = " << house->getRent() << ", `size` = " << house->getTiles().size() << ", `beds` = " << house->getBedCount() << " WHERE `id` = " << house->getId();
		} else {
			query.str(std::string());
			query << "INSERT INTO `houses` (`id`, `owner`, `paid`, `warnings`, `name`, `town_id`, `rent`, `size`, `beds`) VALUES (" << house->getId() << ',' << house->getOwner() << ',' << house->getPaidUntil() << ',' << house->getPayRentWarnings() << ',' << db.escapeString(house->getName()) << ',' << house->getTownId() << ',' << house->getRent() << ',' << house->getTiles().size() << ',' << house->getBedCount() << ')';
		}

		db.executeQuery(query.str());
		query.str(std::string());
	}

	DBInsert stmt("INSERT INTO `house_lists` (`house_id` , `listid` , `list`) VALUES ");

	for (const auto& it : g_game.map.houses.getHouses()) {
		House* house = it.second;

		std::string listText;
		if (house->getAccessList(GUEST_LIST, listText) && !listText.empty()) {
			query << house->getId() << ',' << GUEST_LIST << ',' << db.escapeString(listText);
			if (!stmt.addRow(query)) {
				return false;
			}

			listText.clear();
		}

		if (house->getAccessList(SUBOWNER_LIST, listText) && !listText.empty()) {
			query << house->getId() << ',' << SUBOWNER_LIST << ',' << db.escapeString(listText);
			if (!stmt.addRow(query)) {
				return false;
			}

			listText.clear();
		}

		for (Door* door : house->getDoors()) {
			if (door->getAccessList(listText) && !listText.empty()) {
				query << house->getId() << ',' << door->getDoorId() << ',' << db.escapeString(listText);
				if (!stmt.addRow(query)) {
					return false;
				}

				listText.clear();
			}
		}
	}

	if (!stmt.execute()) {
		return false;
	}

	return transaction.commit();
}

//.........这里部分代码省略.........
			return false;
		}
	}

	if (!stmt.execute()) {
		return false;
	}

	//item saving
	query << "DELETE FROM `player_items` WHERE `player_id` = " << player->getGUID();

	if (!db->executeQuery(query.str())) {
		return false;
	}

	stmt.setQuery("INSERT INTO `player_items` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");

	ItemBlockList itemList;
	for (int32_t slotId = 1; slotId <= 10; ++slotId) {
		Item* item = player->inventory[slotId];
		if (item) {
			itemList.push_back(itemBlock(slotId, item));
		}
	}

	if (!saveItems(player, itemList, stmt)) {
		return false;
	}

	if (player->depotChange) {
		//save depot items
		query.str("");
		query << "DELETE FROM `player_depotitems` WHERE `player_id` = " << player->getGUID();

		if (!db->executeQuery(query.str())) {
			return false;
		}

		stmt.setQuery("INSERT INTO `player_depotitems` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");
		itemList.clear();

		for (DepotMap::iterator it = player->depotChests.begin(); it != player->depotChests.end() ; ++it) {
			DepotChest* depotChest = it->second;

			for (ItemDeque::const_iterator iit = depotChest->getItems(), end = depotChest->getEnd(); iit != end; ++iit) {
				itemList.push_back(itemBlock(it->first, *iit));
			}
		}

		if (!saveItems(player, itemList, stmt)) {
			return false;
		}
	}

	//save inbox items
	query.str("");
	query << "DELETE FROM `player_inboxitems` WHERE `player_id` = " << player->getGUID();

	if (!db->executeQuery(query.str())) {
		return false;
	}

	stmt.setQuery("INSERT INTO `player_inboxitems` (`player_id`, `pid`, `sid`, `itemtype`, `count`, `attributes`) VALUES ");
	itemList.clear();

	for (ItemDeque::const_iterator it = player->getInbox()->getItems(), end = player->getInbox()->getEnd(); it != end; ++it) {
		itemList.push_back(itemBlock(0, *it));
	}

	if (!saveItems(player, itemList, stmt)) {
		return false;
	}

	query.str("");
	query << "DELETE FROM `player_storage` WHERE `player_id` = " << player->getGUID();

	if (!db->executeQuery(query.str())) {
		return false;
	}

	query.str("");

	stmt.setQuery("INSERT INTO `player_storage` (`player_id`, `key`, `value`) VALUES ");
	player->genReservedStorageRange();

	for (StorageMap::const_iterator cit = player->getStorageIteratorBegin(), end = player->getStorageIteratorEnd(); cit != end; ++cit) {
		query << player->getGUID() << "," << cit->first << "," << cit->second;

		if (!stmt.addRow(query)) {
			return false;
		}
	}

	if (!stmt.execute()) {
		return false;
	}

	//End the transaction
	return transaction.commit();
}