multi query and pagination with firestore

Question

I am trying to implement multi query and pagination with firestore, but once I add < or > to the query the cursor not working.

Answer 1

A Firestore query can only have a single range condition.

From the documentation on queries:

You can combine where() filters with orderBy() and limit().

However, if you have a filter with a range comparison (<, <=, >, >=), your first ordering must be on the same field:

Invalid: Range filter and first orderBy on different fields

citiesRef.where("population", ">", 100000).orderBy("country")