String tableName = source.getKey(); MetaData.TableType tableType = MetaData.getTableType(connection, tableName); if (tableType.equals(MetaData.TableType.EXTERNAL)) { countExternalTable++; sources.add(tableName); } else if (tableType.equals(MetaData.TableType.SYSTEM_TABLE)) { countSystemTable++; } else if (reservedTables.contains(tableName.toLowerCase())){