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

Categories

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

ios - Firebase query with limit / offset possible solutions

Is there a way to retrieve data from firebase with limit and offset? For example I have about 1000 elements in my firebaseRef and want to develop some kind of pagination. Is there a way I can do it without loading full list of objects.

For now I'm using queryLimitedToLast(limit) to do it and increase limit for every next page. But this method do not allow me to get pages count.

UPDATE:

One thing I did not mention but it's very important. My data showing from-last-to-first. Imagine it's a simple messenger but with pagination. So I want to show last 20 items, then 20 before these 20 etc.

Thanks.

See Question&Answers more detail:os

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 Reply

0 votes
by (71.8m points)
Waitting for answers

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…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...