二百七十三、Kettle——ClickHouse中增量导入数据准确性统计表数据(1天1次)在数据质量模块,需要对原始数据的准确性进行统计select data_type, device_no, field_name, round(count_field_unreasonable / count_device_all,6) data_unreasonable_rate, round(count_field_null / count_device_all,6) data_null_rate, cast(day as String) day from (select t1.data_type, t1