当运行下面的代码时,我得到一个错误,说来自admission_datetime的类型timestamp的输入语法无效。UPDATE ccsm.stg_demographics_baseline (CASE WHEN admission_datetime IS NULLOR THEN NULL
WHEN di
我有一个包含时间序列数据的大型PostgreSQL数据库。这是我用来获取最新值的方法。SELECT DATE_TRUNC('hour', datetime) AS time, AVG(value) as value, id FROM database
GROUP BY id, timeWHERE datetime</