How To Use Parse (Swift, Xcode) – Ep 6 – Query Constraints

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How To Use Parse with Swift and Xcode
Lesson 6
In this lesson, you’ll learn how to perform more complex queries using constraints so you can query your Parse backend.

In this series, I’ll show you guys how to leverage Parse in your Xcode projects and apps to save data and media (such as images and sounds) and then to retrieve them through the Parse API.

Parse is a backend as a service that gives your app database abilities without having to manage your own. The free tier is very generous and sufficient for most apps.

Related links:

Xcode project, source code and video download:

Parse Docs

Parse

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Intro & Outro music
“Heartbreaker” by Jahzzar (


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3 responses to “How To Use Parse (Swift, Xcode) – Ep 6 – Query Constraints”

  1. David Lintin Avatar

    Hi Chris, thanks for the tutorial. quick question… @4:55 discussing the //WhereKey ContainedIn, NotContainedIn constraint, does the array already have to be downloaded? I.e can I name an array from one of the keys in the class?

  2. Gamer PSZ Avatar

    Hey, i hope you can help me out a little bit with my problem.
    I have 2 classes in Parse. In this case only the second class called "dailyBonusDate" is important, where I save the Date once the user does something (for example clicks a button or whatever). In this Parse-class (dailyBonusDate) I have one column for the username and one column for the dates. Now i want to import the date of the logged in user from parse to compare it with the current Date. How can i do that? Watched the whole video but i couldnt find something that could help out 🙂
    It was still a great tutorial 🙂

    I tried something like this but i couldnt finish it:

    // get to the right line in parse
    if (query.whereKey("User", equalTo: PFUser().username!)) {

    // didnt know what to write here to get the date now.. :/
    }

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