How to do a bulk delete

Server Code
1

Hello,

ich have a app that matches two users. Then they can chat/exchange messages. These messages are stores in a special table called “Messages”.

Now when the day comes that a user deletes the match, I want to delete the messages as well to prevent any anomalies. How can I bulk-delete all messages associated to the two users?

That is what the table looks like:

http://support.backendless.com/public/attachments/7da39517b4ba4f67f6f4a6c2f5c3ce5f.PNG</img>

I do have the ID’s/Objects of the two users at the time I want to delete the messages.

I want to execute it on the ServerCode using Java a my language-of-choice. Would I be possible from the Android client as well?

7da39517b4ba4f67f6f4a6c2f5c3ce5f.PNG
7da39517b4ba4f67f6f4a6c2f5c3ce5f.PNG974×157 10.4 KB

2

Hi Felix

Unfortunately you can do that only via REST

https://api.backendless.com/<app version>/data/bulk/&lt;table-name&gt;?where=&lt;where clause&gt;

See documentation here:
https://backendless.com/documentation/data/rest/data_deleting_data_objects.htm

Regards, Vlad

3

That is sad, but do you also provide docs on how to simply call the REST API from Java?

4

Hi Felix
I’m really sorry that there is no method for bulk deleting in Android-SDK yet, but this your question is out of the free support policy.
I can suggest you seek information about how to implement working with REST API on some JAVA forum.

Regards, Ilya