Nested Query of Cloud Functions in Small Programs

Just using cloud development, I don't know if there are nested query statements in the small program database, so I can only use the most clumsy method to find out the loop and look up again. Okay, next, the question is, have you found out, what kind of value you found? I've been working on this problem for a day. I just starte ...

Added by james_andrews on Tue, 14 May 2019 14:10:23 +0300