<BUG>protected Connection dbconn;protected static final boolean DEBUG = false;protected static final FileWriter TRANSFORMED_SQL_FILE_WRITER;</BUG><CONTEXT>private static final VoltLogger sqlLog = new VoltLogger("SQL");protected static final VoltLogger hostLog = new VoltLogger("HOST");protected static final Object backendLock = new Object();protected static NonVoltDBBackend m_backend = null;protected String m_database_type = null;<extra_id_0>public NonVoltDBBackend(String databaseType, String driverClassName,String connectionURL, String username, String password) {</CONTEXT>
protected static FileWriter TRANSFORMED_SQL_FILE_WRITER;