cargo on River Writes - A MediaWiki Blog

Everything about cargo_attach

river — Sun, 14 Dec 2025 23:50:34 +0000

What does #cargo_attach do? How do you use it? And more

snake_case in Cargo sucks

river — Sat, 29 Nov 2025 19:11:42 +0000

Cargo will sometimes confusingly change your underscores to spaces if you use snake_case in your field names, so please don’t do that

How to refresh cache in MediaWiki

river — Wed, 11 Sep 2024 06:19:54 +0000

Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.

Representing one-to-many relations

river — Sun, 23 Jun 2024 06:52:00 +0000

Several examples of video game mechanics that could be represented as one-to-many relations and how to do table design & queries

Introducing the SORCERER example wiki

river — Thu, 06 Jun 2024 04:03:54 +0000

Enjoy beautiful mspaint drawings and learn Cargo!

One-to-many tables & #vardefine

river — Mon, 26 Feb 2024 12:38:19 +0000

#vardefine doesn’t always play nice with the order in which you need to evaluate code. Here are some solutions.

Ordering a Cargo field

river — Sun, 03 Dec 2023 18:02:20 +0000

How can you enforce a sorting order on a Cargo field when displaying tabular data?

List-type fields, for realsies

river — Sat, 20 May 2023 23:06:27 +0000

What are list-type fields? What aren’t they? How do I query them?

I stored a boolean instead of a timestamp

river — Tue, 05 Oct 2021 01:16:32 +0000

A Cargo field I was going to store as a timestamp but decided to store as a boolean instead

Optimizing Cargo - query 3

river — Tue, 25 May 2021 22:07:05 +0000

The final of three Cargo queries I recently optimized on Leaguepedia

Optimizing Cargo - query 2

river — Tue, 04 May 2021 22:06:58 +0000

The second of three Cargo queries I recently optimized.

Optimizing Cargo - query 1

river — Wed, 28 Apr 2021 02:05:43 +0000

A Cargo query I optimized recently on Leaguepedia

A Lua module to print all args

river — Tue, 13 Apr 2021 11:24:05 +0000

How to write a module to print all args to help with debugging Cargo

Setting common match & game keys

river — Tue, 23 Mar 2021 02:33:50 +0000

How I corrected a mistake in my Cargo database design

Escape item["id"]

river — Tue, 23 Feb 2021 19:59:37 +0000

A funny commit I made today

Gadget - Cargo pagevalues improvement

river — Tue, 01 Dec 2020 20:51:23 +0000

An improvement to the Cargo pagevalues view using just JS & CSS.

How to rename Cargo tables safely

river — Tue, 11 Aug 2020 01:08:14 +0000

Cargo actually provides a way to cleanly rename tables without any “downtime,” but it’s not obvious or documented how to do this.

Don't use _pageName

river — Tue, 14 Jul 2020 14:05:06 +0000

Sometimes it can seem convenient to use the built-in _pageName field that Cargo provides; however, _pageName is a metadata field, and you should take care to use it only as such.

Adventures in caching primary keys

river — Tue, 16 Jun 2020 20:39:18 +0000

The pattern of store -> query -> store -> query can lead to caching nightmares when working with Cargo or SMW in MediaWiki. This is the story of how I dealt with one.

Highlighting disambiguations

river — Tue, 19 May 2020 13:21:48 +0000

Disambiguations are typically somewhat user-unfriendly, especially when a wiki has a relatively low percentage of pages that are disambiguated and so the presence of one is unexpected. Here I describe my method for improving quality of life when disambiguation links do appear.

Determining team members from roster change data: A Leaguepedia case study

river — Tue, 18 Feb 2020 23:55:49 +0000

Managing complexity using Cargo with MediaWiki to track League of Legends esports roster changes.

How to add Cargo docstrings on table pages

river — Mon, 10 Feb 2020 04:16:35 +0000

This is not a post about how to add Cargo docstrings on table pages. Rather, it’s a post about how to create workarounds in MediaWiki in a reasonably well-controlled manner.

New Roster Changes

river — Wed, 01 Jan 2020 18:03:16 +0000

An overview of the process I used to create our single-source-of-truth roster change database tables on Leaguepedia. This post originally was created as a user page on Leaguepedia.