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Point-Free

@pointfree.co

1.2K followers 220 following 410 posts

A video series exploring advanced topics in the Swift programming language, hosted by @mbrandonw.bsky.social and @stephencelis.com.

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Point-Free @pointfree.co · Jul 8

This week we gave a brief overview of the concept of "callbacks" in databases, which Rails popularized and many other frameworks adopted.

They allow you to execute little bits of logic when a row is inserted/updated/deleted in your database.

Learn more here:
www.pointfree.co/episodes/ep3...

Episode #330: Persistence Callbacks: Triggers

We continue our series on “modern persistence” with an important topic: “callbacks.” Callbacks are little hooks into the lifecycle of your data model so that you can be notified or take action when so...

www.pointfree.co

Point-Free @pointfree.co · 2d

View this video in high res here: www.pointfree.co/clips/0d7329...

Synchronizing data across multiple schemas

When synchronizing a SQLite database across multiple devices, you will inevitably encounter a situation where different devices have different versions of the schema. If not handled correctly this can...

www.pointfree.co

Point-Free @pointfree.co · 2d

One of the most difficult parts of distributing your user's data across multiple devices is handling when devices have different versions of the schema.

Our SQLiteData library handles this seamlessly behind the scenes without you having to think about it.

Quick demo here 👇

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Point-Free @pointfree.co · 3d

SQLiteData now lets you define your own custom aggregate functions in Swift. Simply add the @‌DatabaseFunction macro to a function that operates on a sequence of values: www.pointfree.co/blog/posts/1...

New in SQLiteData: Custom aggregate functions

We have added the ability to use Swift functions to aggregate data in your SQLite queries using a syntax that is unobtrusive

www.pointfree.co

Reposted by Point-Free

Jiji @porkmt.bsky.social · 3d

It is positively addicting to watch data flowing from a device in a test vehicle to a device on my desk in real-time. Outstanding job on this implementation. I wish I had a job because I would surely be in line for a huge raise for adding this amazing feature.

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Reposted by Point-Free

Jiji @porkmt.bsky.social · 3d

Watched this new episode and had CloudKit synchronization up and running in about 10 minutes. I previously had converted all my integer IDs to UUIDs so other than removing a unique constraint, it compiled and started syncing right away.

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Point-Free @pointfree.co · 3d

Watch the high-res version of this video here:
www.pointfree.co/clips/210912...

iCloud synchronization conflict resolution

We demonstrate how our SQLiteData library handles conflict resolution when a record is edited at the same time on two different devices. We perform a "last edit wins" merge strategy on a per-field bas...

www.pointfree.co

Point-Free @pointfree.co · 3d

How are conflicts handled in our SQLite+iCloud synchronization tools?

We use a “last edit wins” strategy on a per-field basis. This means if you edit the title of a reminder on one device and the notes on another, it will all merge cleanly.

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Point-Free @pointfree.co · 3d

Get all the details in this week's episode where we add iCloud synchronization to an app that was previously built without ever thinking about synchronization.

www.pointfree.co/episodes/ep3...

Episode #341: CloudKit Sync: The SyncEngine

With our database migrated, it’s time to take the SyncEngine for a spin to see how it seamlessly synchronizes data to and from iCloud, how it resolves conflicts when records are edited and deleted fro...

www.pointfree.co

Point-Free @pointfree.co · 3d

Adding iCloud synchronization to your app can introduce hidden complexity. It may seem like your app isn't sending data to or receiving data from iCloud.

That's why our SyncEngine logs detailed messages, so you know exactly what is happening under the hood.

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Point-Free @pointfree.co · 4d

This tip is just one of many from this week’s video.

Watch today: www.pointfree.co/episodes/ep3...

Point-Free @pointfree.co · 4d

Did you know you can bind a SwiftUI text field to a URL?

The simplest way is with a custom computed get/set property, which allows you to derive a binding via dynamic member lookup:

The following code:

extension URL?
var absoluteString: String {
get { self?.absoluteString ?? "" }
set { self = URL(string: newValue) }
}
}

The following code:

TextField("URL", text: $reminder.url.absoluteString)

Point-Free @pointfree.co · 5d

Would you believe that adding iCloud sync to an app can be as simple as adding a single line of code?

It’s true! The following video shows how: www.pointfree.co/episodes/ep3...

The following code:

$0.defaultSyncEngine = try! SyncEngine(
for: $0.defaultDatabase,
tables:
Reminder.self,
RemindersList.self,
Tag.self,
ReminderTag.self
)

Point-Free @pointfree.co · 6d

The “SyncEngine” seamlessly synchronizes data to and from iCloud, resolves conflicts when records are edited and deleted concurrently from many devices, and can even synchronized records across different app and schema versions.

Watch how: www.pointfree.co/episodes/ep3...

Point-Free @pointfree.co · 9d

Check it out today: github.com/pointfreeco/...

GitHub - pointfreeco/sqlite-data: A fast, lightweight replacement for SwiftData, powered by SQL and supporting CloudKit synchronization.

A fast, lightweight replacement for SwiftData, powered by SQL and supporting CloudKit synchronization. - pointfreeco/sqlite-data

github.com

Point-Free @pointfree.co · 9d

SQLiteData 1.1 introduces powerful new domain modeling tools that put you in control of the structure of your model types. Instead of describing your table as a flat struct with a property per column, you can nest groups of columns into structs (and even enums!) of their own.

A code sample of 4 data types making up a single table, including nested structs and enums.

A code sample showing an instance of this table type.

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Point-Free @pointfree.co · 9d

Have you wanted to know what it takes to build an app using modern persistence techniques? This means using structs and enums instead of classes, bringing SQLite to the forefront instead of abstracting it away, and multi-device synchronization that just works.

Well… pointfree.co/pricing

Point-Free @pointfree.co · 9d

We are finally putting the “modern” in our “Modern Persistence” series by showing what it takes to start synchronizing your user’s data to all of their devices.

Follow along here: www.pointfree.co/collections/...

Point-Free @pointfree.co · 9d

Point-Free @pointfree.co · 10d

Read all about how it works: www.pointfree.co/blog/posts/1...

New in SQLiteData: Migration tool for CloudKit sync

We have released a tool that will help you prepare your existing SQLite database for CloudKit synchronization. It will convert existing integer primary keys to UUIDs and add primary keys to tables tha...

www.pointfree.co

Point-Free @pointfree.co · 10d

SQLiteData offers seamless iCloud sync, but only if your schema is designed with synchronization in mind. If not, you could have 100s of lines of migration code ahead of you.

Luckily version 1.1 brings a brand new tool to automate this work in a single statement: