usky-dev-db/usky-park.md

#5月15日 alter table data_ev_history add index index_data(device_id,attribute_name,data_time); alter table data_gr_history add index index_data(device_id,attribute_name,data_time); alter table data_lg_history add index index_data(device_id,attribute_name,data_time); alter table data_lg_history add index index_data1(attribute_name,data_time,attribute_data);