.. presto-native-coordinator presto-native-worker presto work-dir 1_create_table.py 2_insert_table_data.sh 3_add_column.py 4_update_data.py 5_change_column_type.py 6_drop_column.py README.md auto_test.sh delete_data.py drop_table.py mysql_random_data_insert properties run-presto-coordinator.sh run-presto-cpp-worker.sh