Method SetDbError

core/logic/smn_database.cpp:1591–1598

	}

	void SetDbError()
	{
		const char *error = db_->GetError();
		if (!error || strlen(error) == 0)
			error_ = "unknown error";
		else
			error_ = error;
	}

	IQuery *Exec(const char *query)
	{