Errata

Learning GraphQL

Errata for Learning GraphQL

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The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted By Date submitted Date corrected
Ch04
Last paragraph

Found in the digital version so there is no page numbers, the correct location is in chapter 4 (Designing a Schema) Connections and Lists - Lists of Different Types, in the very last paragraph of "Interfaces" the last line reads:

you will need to user an interface rather than a union type.

I believe it was meant to be:

you will need to use an interface rather than a union type.

 Jaime Garzon  Sep 25, 2018  Sep 24, 2021
Chap 3
Section: Union Types

There is a reference to https://graphqlbin.com/v2/ANgjtr. When I navigate to this page, I'm notified that the "Server cannot be reached" and there's a message, "error": "Failed to fetch schema. Please check your connection".

The server that is identified is https://r94qxj5q4n.lp.gql.zone/graphql

Note from the Author or Editor:
Some APIs were taken down, so here is a new link that should work:

https://rm2rx3opqm.sse.codesandbox.io/

 Mike Barlow  Apr 11, 2019  Sep 24, 2021
1
1st paragraph of preface

The Learning React link gives a 404 in the second sentence of the preface:
It started with the idea from Ally MacDonald, our editor for Learning React, who encouraged us to write Learning GraphQL. https://learning.oreilly.com/library/view/learning-react/9781491954614?_ga=2.108072834.1421542143.1630174767-123154379.1630174767

 David Pippenger  Aug 28, 2021  Sep 24, 2021
Printed
Page 48
1st paragrapoh

The URL's for the graphqlbin.com examples seem incorrect. They do not open up either the interfaces example or the union types example. I have no resolution to this so cannot follow along with examples.

Note from the Author or Editor:
Some APIs were taken down so the original links stopped working. Here are the replacements:

https://graphqlbin.com/v2/ANgjtr should now be https://rm2rx3opqm.sse.codesandbox.io

https://graphqlbin.com/v2/yoyPfz should now be https://71x8n304r1.sse.codesandbox.io

 John Cable  Oct 03, 2018  Sep 24, 2021
Printed
Page 61
3rd paragraph

"In this section, we cover how you to use a list to connect object types."

'you' has to be removed OR "[...] how you can use a list to connect object types."

 Anonymous  Sep 18, 2018  Sep 24, 2021
Printed
Page 141
last paragraph

Current: "This method pass the details about [...]"

Should be:
"This method passes the details about [...]"

 Anonymous  Sep 19, 2018  Sep 24, 2021
Printed
Page 144
3rd paragraph of chapter 'Persisting the Cache'

Current: "The apollo-cache-persist package contains a function that enhance [...]"

Should be: "The apollo-cache-persist package contains a function that enhances [...]"

 Anonymous  Sep 19, 2018  Sep 24, 2021
Mobi
Page 12620
text

TYPOS:

"related trials. If we " should be "related trails. If we "

"will need to user an interface" should be "will need to use an interface"

 Anonymous  Oct 22, 2019  Sep 24, 2021