hison

需求是获取每个测点的最新数据 SELECT time, value, point_id FROM ( SELECT time, value, point_id, ROW_NUMBER() OVER (PARTITION BY point_id ORDER BY time DESC) AS rn FROM model_vision.point ) t WHERE t.rn = 1;...

An unexpected error occurred: An exception was raised by the Python Proxy. Return Message: Object ID unknown

3

My purpose is to call python through Java, ports 25333 and 25334 are listening normally, but java has never been able to access python      py4j.Py4JException:...