Welcome to WuJiGu Developer Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
215 views
in Technique[技术] by (71.8m points)

DT类型是datetime ,如何调整让他+1分钟

請教一下,在DolphinDB database中,DT型態是datetime 我如何調整讓他+1分鐘?
image.png

下圖是我用 datetime(ts) + minute(1) 的結果

select?top?1?datetime(dateime(ts)+minute(1))?as?DT,code?as?Code,open?as?Open?,High?as?High,low?as?Low,close?as?Close?,?volume?as?Volume?from?tb_ohlc

image.png
跟預期不一樣,變成只多一秒。


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

可以datetime(ts)+60或datetimeAdd(ts,1,"m"):

select?top?1?datetime(datetimeAdd(ts,1,'m'))??as?DT,code?as?Code,open?as?Open?,High?as?High,low?as?Low,close?as?Close?,?volume?as?Volume?from?tb_ohlc

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to WuJiGu Developer Q&A Community for programmer and developer-Open, Learning and Share
...