请教一下,在DolphinDB database中如下代码:
delete from loadTable("dfs://minute_60","stock_minute60_data") where datetime > temporalParse('2020-04-14 15:00:00', 'yyyy-MM-dd HH:mm:ss')
这个好像运行不了,提示It is not allowed to delete rows from the specified table。怎么办?
请教一下,在DolphinDB database中如下代码:
delete from loadTable("dfs://minute_60","stock_minute60_data") where datetime > temporalParse('2020-04-14 15:00:00', 'yyyy-MM-dd HH:mm:ss')
这个好像运行不了,提示It is not allowed to delete rows from the specified table。怎么办?
DolphinDB不支持删除单条记录,仅支持以分区为单位删除批量数据。通过dropPartition函数可以删除分区数据。函数用法可参阅https://www.dolphindb.cn/cn/h...