request parameter in beforeSave() doesn't contain any stored values sent from android app about parse-sdk-js

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[wangmengyan95]

Hi @mik-dass, I don't have the context of the likes and post, but the following is my test code and it works fine
Android side

ParseObject parseuser=ParseObject.createWithoutData(ParseUser.class, "XXXX");
ParseObject object = new ParseObject("likes");
object.put("Owner", parseuser);
object.saveInBackground();

Cloudcode side

Parse.Cloud.useMasterKey();
var owner = request.object.get("Owner");
owner.fetch({
  success: function(owner) {
    owner.set('XX', 'XXX')；
    response.success();
  },
  error: function(error) {
    response.error(error);
  }
});

If this still does not work for you, do you get any exception from cloudcode side or android side?

[mik-dass]

@wangmengyan95 Thank you for replying.So basically I should create a new column "owner" to store the id of the post owner. But will that be a good design as it will consist of redundant data ???
What I am trying to do is --

_User table

objectId / attribute

posts

objectId / authorId(pointer to _User)

likes

objectIId / likerId(pointer to _User who likes the post) / postId(ponter to the post liked)

In my cloud code I try to access the attribute of the user class pointed by the posts class.

So I create a _User object without data ,then created a posts object without data and set the authorId equal to the _User object created earlier.Then I created the likes object using the appropriate values and set the postId to the posts object created earlier.I thought this will help me to reduce a query since I did not wanted to fetch the post owner Id in the cloud code consuming a api call . But this approach failed and the cloud log showed me that the reponse object received the posts object as a pointer with no data in it .So am I missing something to be done to make my aprroach work??? Or should I do ahead and use one more api call to fetch the post owner Id??? Or create a new column in the likes class to store objectIds of the post owner??? Please reply.Thank you.

[wangmengyan95]

Hi @mik-dass, we do not send the nested ParseObject's full data to cloud code. In order to get the data of the nested ParseObject, you have to do a query or fetch.
For the design issue, you can also take a look at here, we have a tutorial about how to implement relations in Parse. Hope it helps.

[mik-dass]

Ok.Thank you .