jinzhi
jinzhi

性别: 注册于 2021-04-30

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2022-05-12 14:24 回答问题

之前是否有dropDB的操作。看去库是不存在了

2022-01-07 16:16 回答问题

you can use linux version to avoid such errors. windows version is not stable

2022-01-05 15:21 回答问题

msum is an aggregate function, when using with select, it need to be used with `group by`.

2022-01-04 13:44 回答问题

Set up windows to automatically create dump file when crash(https://www.meziantou.net/tip-automatically-create-a-crash-dump-file-on-error.htm), then using vscode to debug the dmp file.

2021-12-24 09:49 回答问题

这个一般是磁盘空间不足了,低于97%的存储空间(如果有多块盘,会计算总的)。或者如果有一个节点挂掉,在创建新分区时,也会有类似报错。

2021-11-29 16:45 发起提问

2021-11-24 16:08 发起提问

2021-11-10 15:07 回答问题

参考如下实现: t1 = `T1`T2`T3`T4`T5`T6`T7 s1 = `A`A`A`A`A`A` b1= 0.35 0.34 0.33 0.28 0.29 0 0.3 a1 =0.34 0.33 0.32 0.3 0 0 0.31 t = table(t1 as timestamp, s1 as symbol, b1 as bid, a1 as ask) select  *,ffill(iif(prev(bid)==0,NULL,prev(bid))) as last_bid, f

2021-10-28 15:49 回答问题

assume the csv file is "/home/jinzhi/Desktop/test.csv" login("admin","123456") db= database("dfs://tstdb", VALUE, 2000.01.01..2001.01.01) nameCol = `date`askO`askH`askL`askC`bidO`bidH`bidL`bidC`source`symbol; typeCol = `DATE`DOUBLE`DOUBLE`DOUBLE`DOUBLE`DO

2021-10-28 15:31 发起提问