Chrichton

Ash Framework Book: various errata

I created my own tunez app from scratch using mix new tunes_hg
I successfully followed the book creating the ash_resource ‘artist’.
I created the migrations using mix ash.codegen create_artists

Then I did mix ash.migrate and got the error:
Postgrex.Protocol (#PID<0.198.0>) failed to connect: ** (Postgrex.Error) FATAL 3D000 (invalid_catalog_name) database “tunes_hg_dev” does not exist.

I searched the internet for this error and found mix ash.setup

Using it worked out perfectly.

mix ash.setup
Getting extensions in current project…
Running setup for AshPostgres.DataLayer…
The database for TunesHg.Repo has been created

05:31:11.988 [info] == Running 20250116154542 TunesHg.Repo.Migrations.InitializeExtensions1.up/0 forward
…
== Migrated 20250117040821 in 0.0s

Maybe others may trip on this error to?

Heiko Goes

P.S.: I am very happy with your book

5 comments

/book-ash-framework

0 74 5

2025-01-24 01:41:48 UTC

First Post!

Chrichton

Errata
I think on page 12:

To create an Artist record, we need to provide the data to be stored — in this
case, the name and biography attributes, in a map. (The other attributes, such
as timestamps, will be automatically managed by Ash.) We call these the
attributes that the action accepts, and can list them in the action with the
accept macro.
01/lib/tunez/music/artist.ex
actions do
create :create do
accept [:name, :biography]
end

it should be keyword list and not map

All the best from Heiko

Post #2

Where Next?

View thread on forum

View Ash Framework's book portal

Post errata for this book

Post a suggestion for this book

Post a question about this book

Post a review about this book

Home PragProg Customers

/book-ash-framework

0 74 5

Last post

Popular Pragmatic Bookshelf topics

PragProg Customers

The Pragmatic Programmer, 20th Anniversary Edition errata

Some minor things in the paper edition that says “3 2020” on the title page verso, not mentioned in the book’s errata online: p. 186 But...

#errata /book-the-pragmatic-programmer-20th-anniversary-edition

10 2636 9

2024-09-02 13:34:40 UTC

New

PragProg Customers

The Definitive ANTLR 4 Reference: Program deprecation warning

page 37 ANTLRInputStream input = new ANTLRInputStream(is); as of ANTLR 4 .8 should be: CharStream stream = CharStreams.fromStream(i...

#errata /book-the-definitive-antlr-4-reference

4 987 0

2020-07-05 23:04:12 UTC

New

PragProg Customers

Web Development with Clojure, Third Edition: (create-migration "guestbook") not working (page 9)

When I try the command to create a pair of migration files I get an error. user=> (create-migration "guestbook") Execution error (Ill...

#errata /book-web-development-with-clojure-third-edition

5 1788 4

2023-07-27 14:17:36 UTC

New

PragProg Customers

Programming Phoenix LiveView: Typo

Hi! I know not the intentions behind this narrative when called, on page XI: mount() |> handle_event() |> render() but the correc...

#errata /book-programming-phoenix-liveview

3 1307 17

2021-03-11 16:34:20 UTC

New

PragProg Customers

Modern Front-End Development for Rails: Can't get TURBO_STREAM format in some cases

This isn’t directly about the book contents so maybe not the right forum…but in some of the code apps (e.g. turbo/06) it sends a TURBO_ST...

#question /book-modern-front-end-development-for-rails

1 1386 7

2021-04-04 21:22:11 UTC

New

PragProg Customers

Web Development with Clojure, Third Edition (vB17.0): create table syntax invalid

Title: Web Development with Clojure, Third Edition, vB17.0 (p9) The create table guestbook syntax suggested doesn’t seem to be accepted ...

#errata /book-web-development-with-clojure-third-edition

0 1835 1

2021-08-13 23:56:52 UTC

New

PragProg Customers

Kotlin and Android Development featuring Jetpack: SwitchCompat's thumbTint and trackTint being ignored (page 76)

I think I might have found a problem involving SwitchCompat, thumbTint, and trackTint. As entered, the SwitchCompat changes color to hol...

#errata /book-kotlin-and-android-development-featuring-jetpack

0 2749 2

2022-05-13 11:00:18 UTC

New

PragProg Customers

iOS Unit Testing by Example: 54 Don't seem to be getting the print out on tests (Xcode 13.2)

Hey there, I’m enjoying this book and have learned a few things alredayd. However, in Chapter 4 I believe we are meant to see the “>...

#question /book-ios-unit-testing-by-example

0 1963 3

2022-01-24 15:18:41 UTC

New

PragProg Customers

Powerful Command-Line Applications in Go: Exercise Solutions (many pages)

Is there any place where we can discuss the solutions to some of the exercises? I can figure most of them out, but am having trouble with...

#question /book-powerful-command-line-applications-in-go

17 1396 9

2022-02-09 15:00:31 UTC

New

PragProg Customers

PragProg Customers Kotlin and Android Development: pg. 8 Build Gradle error: Could not get unknown property 'kotlin_version'

I am using Android Studio Chipmunk | 2021.2.1 Patch 2 Build #AI-212.5712.43.2112.8815526, built on July 10, 2022 Runtime version: 11.0....

#question /book-kotlin-and-android-development-featuring-jetpack

0 1456 2

2022-08-29 14:30:50 UTC

New

Other popular topics

General Dev>Dev Chat

What dev-related stuff have you been up to?

Reading something? Working on something? Planning something? Changing jobs even!? If you’re up for sharing, please let us know what you’...

#community

1052 22283 402

2026-03-23 08:22:18 UTC

New

General Dev>Learning Resources

Forge Your Future with Open Source

Free and open source software is the default choice for the technologies that run our world, and it’s built and maintained by people like...

pragprog.com

#pragprog #published-book /book-forge-your-future-with-open-source

3 5654 0

2020-04-21 18:37:36 UTC

New

General Dev>Learning Resources

Seven More Languages in Seven Weeks

Learn from the award-winning programming series that inspired the Elixir language, and go on a step-by-step journey through the most impo...

pragprog.com

#pragprog /elixir /julia /lua #published-book #factor /elm #minikanren /idris /book-seven-more-languages-in-seven-weeks

4 5862 0

2020-04-29 21:59:54 UTC

New

Game Dev>Learning Resources

Apple Game Frameworks and Technologies

Design and develop sophisticated 2D games that are as much fun to make as they are to play. From particle effects and pathfinding to soci...

pragprog.com

#pragprog #ios #game-dev #macos /swift #published-book #apple /book-apple-game-frameworks-and-technologies

30 7995 10

2021-04-22 16:51:02 UTC

New

Frontend>Learning Resources

Modern CSS with Tailwind

Tailwind CSS is an exciting new CSS framework that allows you to design your site by composing simple utility classes to create complex e...

pragprog.com

#pragprog /tailwind #published-book /book-modern-css-with-tailwind

12 5813 4

2021-05-13 14:50:23 UTC

New

Science/Tech>Health & Diet

David Sinclair's new Lifespan podcast

We’ve talked about his book briefly here but it is quickly becoming obsolete - so he’s decided to create a series of 7 podcasts, the firs...

#health #podcasts #bio-hackers #david-sinclair

87 6790 49

2022-04-12 16:27:36 UTC

New

Community>In The Spotlight

Spotlight: Erin Dees (Author) Interview and AMA!

Author Spotlight Erin Dees @undees Welcome to our new author spotlight! We had the pleasure of chatting with Erin Dees, co-author of ...

#author-spotlight /ruby /rails /book-effective-testing-with-rspec-3 /book-seven-more-languages-in-seven-weeks /book-cucumber-recipes #rspec

24 4247 11

2023-03-27 15:52:01 UTC

New

Community>In The Spotlight

Spotlight: VM Brasseur (Author) Interview and AMA!

Author Spotlight: VM Brasseur @vmbrasseur We have a treat for you today! We turn the spotlight onto Open Source as we sit down with V...

#author-spotlight /book-forge-your-future-with-open-source

16 5051 11

2023-03-27 16:00:12 UTC

New

General Dev>In The News

Review of Linux on Minisforum V3 AMD Ryzen Tablet

A Brief Review of the Minisforum V3 AMD Tablet. Update: I have created an awesome-minisforum-v3 GitHub repository to list information fo...

mudkip.me

#linux #review #amd

0 4635 0

2024-06-24 02:26:38 UTC

New

Backend>Official News

Node.js v22.14.0 released!

Node.js v22.14.0 has been released. Link: Release 2025-02-11, Version 22.14.0 'Jod' (LTS), @aduh95 · nodejs/node · GitHub

github.com

/nodejs #official-news

0 4251 0

2025-02-11 15:30:14 UTC

New

Ash Framework Book: various errata

Chrichton

Ash Framework Book: various errata

First Post!

Chrichton

Errata
I think on page 12:

Where Next?

Popular Pragmatic Bookshelf topics

The Pragmatic Programmer, 20th Anniversary Edition errata

The Definitive ANTLR 4 Reference: Program deprecation warning

Web Development with Clojure, Third Edition: (create-migration "guestbook") not working (page 9)

Programming Phoenix LiveView: Typo

Modern Front-End Development for Rails: Can't get TURBO_STREAM format in some cases

Web Development with Clojure, Third Edition (vB17.0): create table syntax invalid

Kotlin and Android Development featuring Jetpack: SwitchCompat's thumbTint and trackTint being ignored (page 76)

iOS Unit Testing by Example: 54 Don't seem to be getting the print out on tests (Xcode 13.2)

Powerful Command-Line Applications in Go: Exercise Solutions (many pages)

PragProg Customers Kotlin and Android Development: pg. 8 Build Gradle error: Could not get unknown property 'kotlin_version'

Other popular topics

What dev-related stuff have you been up to?

Forge Your Future with Open Source

Seven More Languages in Seven Weeks

Apple Game Frameworks and Technologies

Modern CSS with Tailwind

David Sinclair's new Lifespan podcast

Spotlight: Erin Dees (Author) Interview and AMA!

Spotlight: VM Brasseur (Author) Interview and AMA!

Review of Linux on Minisforum V3 AMD Ryzen Tablet

Node.js v22.14.0 released!

Latest in Ash Framework

PragProg Customers

Latest on Devtalk

We ❤️ helpful members!

Categories:

Sub Categories:

Popular Portals

We're in Beta

Ash Framework Book: various errata

Chrichton

Ash Framework Book: various errata

First Post!

Chrichton

Errata I think on page 12:

Where Next?

Popular Pragmatic Bookshelf topics

The Pragmatic Programmer, 20th Anniversary Edition errata

The Definitive ANTLR 4 Reference: Program deprecation warning

Web Development with Clojure, Third Edition: (create-migration "guestbook") not working (page 9)

Programming Phoenix LiveView: Typo

Modern Front-End Development for Rails: Can't get TURBO_STREAM format in some cases

Web Development with Clojure, Third Edition (vB17.0): create table syntax invalid

Kotlin and Android Development featuring Jetpack: SwitchCompat's thumbTint and trackTint being ignored (page 76)

iOS Unit Testing by Example: 54 Don't seem to be getting the print out on tests (Xcode 13.2)

Powerful Command-Line Applications in Go: Exercise Solutions (many pages)

PragProg Customers Kotlin and Android Development: pg. 8 Build Gradle error: Could not get unknown property 'kotlin_version'

Other popular topics

What dev-related stuff have you been up to?

Forge Your Future with Open Source

Seven More Languages in Seven Weeks

Apple Game Frameworks and Technologies

Modern CSS with Tailwind

David Sinclair's new Lifespan podcast

Spotlight: Erin Dees (Author) Interview and AMA!

Spotlight: VM Brasseur (Author) Interview and AMA!

Review of Linux on Minisforum V3 AMD Ryzen Tablet

Node.js v22.14.0 released!

Latest in Ash Framework

PragProg Customers

Latest on Devtalk

We ❤️ helpful members!

Devtalk Sponsors

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

We're in Beta

Errata
I think on page 12: