deleteAllDocuments method
Delete all documents
Default value of batchSize
is 500, which is max limit of Batch Write.
Return value is deleted document references.
Implementation
Future<List<DocumentReference>> deleteAllDocuments({
int batchSize = 500,
}) async {
return _deleteQueryBatch(
query: query.orderBy(FieldPath.documentId).limit(batchSize),
batchSize: batchSize,
deletedRefs: [],
);
}