我得到的例外是:java.lang.IllegalArgumentException: Invalid document reference.Document references must have an even number of segments, but Users has 1String getIsNewUSer;
Firestore.instance.collection('Users').docume
我有以下云函数,并想知道我是应该使用批写还是使用事务:// The following two queries potentiallyreturn hundreds of documents.
const queryA = firestore.collectionGroup('a').where('b', '==', 'c'),queryB = firestor