select measurement_type,point_name, count(*) from wave_file where rpm>0 and measurement_type='压力' and tspluse_status>=4 group by measurement_type,point_name select point_name, measurement_type, min(sample_time) minTime,max(sample_time) maxTime, count(*) from wave_file where point_name like '8号机组二缸%' and rpm>0 group by measurement_type,point_name select sample_time from wave_file where point_name='7号机组一缸压力盖侧' and measurement_type='压力' order by sample_time desc select sample_index,signal_value,second_value from wave_sample where wave_file_id=1572 order by sample_index asc # 查找第一个有压力数据的文件 select * from wave_file where point_name='7号机组一缸压力盖侧' and measurement_type='压力' and rpm>0 order by sample_time asc limit 2 # 7号机组一缸压力盖侧 压力 数据 select * from wave_sample where wave_file_id=288146 order by wave_file_id,sample_index # 8号机组一缸压力盖侧 压力 数据 select * from wave_sample where wave_file_id in(360903, 360904) order by wave_file_id,sample_index # 9号机组一缸压力盖侧 压力 数据 select * from wave_sample where wave_file_id in(434810, 434968) order by wave_file_id,sample_index select min(tspluse_status),max(tspluse_status) from wave_file where rpm>0 and measurement_type='压力' select count(*) from wave_file where rpm>0 and measurement_type='压力' and tspluse_status=0 order by sample_time asc # 增加标注故障预测字段,标注之前的小模型通用简单自动标注 alter table wave_file add tspluse_status tinyint null default 0; alter table wave_file modify tspluse_status tinyint default 0 null comment '标注之前的小模型通用简单自动标注,0 没有异常,大于0有异常'; update wave_file set tspluse_status=0;