query firebase for documents that contain an array of length > 0
问题 Is it possible to query firebase for documents in a collection where the number of elements in an array of a particular field is greater than 0 For my example, each document has-a field called 'people', which contains an array of integers (or the array is empty). My search always return 0 documents, but I have documents that I can see when I search in the firestore database admin panel. import * as admin from 'firebase-admin'; import * as functions from 'firebase-functions'; admin