Querying a list of objects with nested pointers using the Parse.com Javascript API

How can I efficiently query my Parse.com backend for a list of objects that contain specific pointers within them?

For example, if ObjectA contains a list of pointers to ObjectB, how can I query for all ObjectA's that have ObjectB in their list?

I am currently using the "contain" methods in the Javascript API, but I'm unsure if these methods work with keys that are arrays. Can anyone confirm this?

In my beforeDelete implementation, I am querying all ObjectA's and removing ObjectB from their pointer list. However, this process seems inefficient as it queries unnecessary ObjectA's that do not have ObjectB in their list.

Answer №1

You might find what you need in the containedIn method within the Parse.Query class. This feature allows you to perform a targeted query on the ObjectA category based on the pointer array key, retrieving only the instances of ObjectA that contain the specific pointer provided as an argument to the containedIn parameter within their array of pointers.

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