The process for modifying Firestore data in Flutter with customized identifiers such as email or ID would involve the following steps:
Set up a Firestore instance in your Flutter app by importing the necessary libraries and initializing a Firestore instance.
Access the collection that contains the data you wish to modify using its custom identifier such as email or ID.
Use the document()
method to access a specific document within the collection, passing in the email or ID as a parameter.
Use the updateData()
method to modify the data within the document. You can pass in a Map<String, dynamic>
object to represent the data to be updated.
Here is an example code snippet that demonstrates the process:
import 'package:cloud_firestore/cloud_firestore.dart';
Firestore firestore = Firestore.instance;
void updateUserData(String email) {
CollectionReference users = firestore.collection('users');
DocumentReference userRef = users.document(email);
userRef.updateData({
'name': 'John Doe',
'age': 30,
'city': 'New York'
});
}
In this example, we first access the users
collection and then access a specific document using the email address as the document identifier. We then update the fields within the document using the updateData()
method.
Asked: 2021-12-19 11:00:00 +0000
Seen: 9 times
Last updated: Oct 06 '22