text: SELECT 1;
  -- INSERT INTO `graph_connection`(name, graph, host, port, create_time) VALUES ('first_connection', 'hugegraph', 'localhost', 8080, sysdate);
  
  -- INSERT INTO `gremlin_collection`(name, content, create_time) VALUES ('first_gremlin', 'g.V().limit(10)', sysdate);
  
  -- INSERT INTO `execute_history`(execute_type, content, execute_status, duration, create_time) VALUES (0, 'g.V().limit(100)', 0, 20, sysdate);
  