Add nested data in Firestore by flutter

Question

I'm from following issue.

How to manage add and update data in Firebase

Initially I can make data in firestore following code.

However I would like to add car2 inside of cars after car1. I have no idea of it.

_firestore.collection('members').document(${loginUser.uid}).setData({
    'cars': {
    'car1': {
        'name': name,
        'img_url': 'https://www.xxx.xxx/xxx.png',
        'details': {
            'type': carType,
        }
    }
  }

Please give me advice.

That is my typo. sorry.

tajihiro
– tajihiro

2020-05-21 08:42:37 +00:00
Commented May 21, 2020 at 8:42 — tajihiro
– tajihiro, Commented May 21, 2020 at 8:42

Peter Haddad · Accepted Answer · 2020-05-21 08:52:25Z

2

To add cars2, then do the following:

_firestore.collection('members').document(${loginUser.uid}).updateData({
     "cars.car2": {
        'name': name,
        'img_url': 'https://www.xxx.xxx/xxx.png',
        'details': {
            'type': carType,
        }
    }

answered May 21, 2020 at 8:52

Peter Haddad

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Comments

user9683896 · Accepted Answer · 2020-05-21 08:04:23Z

0

Firestore.instance.collection(city).document('Attractions').updateData({"data": FieldValue.arrayUnion(obj)});

answered May 21, 2020 at 8:04

user9683896

2 Comments

tajihiro Over a year ago

I don't get what obj is. Error comes out.

user9683896 Over a year ago

obj is array(List)

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