String table = tablesNotProcessed.peek();
String selectQuery = String.format(MigrationQuery.SELECT_RAW_DATA.toString(), table);
ExistingDataSource dataSource = getExistingDataSource(selectQuery, task, config);
dataSource.initialize();
log.info("Start migrating raw table: " + table);
telemetry.getMigrationTimer().resume();
int lastMigratedRecord = 0;