From 0af64470076fc985a0fcf93075b2d5c1d21c6112 Mon Sep 17 00:00:00 2001
From: Morgan Roderick <morgan@roderick.dk>
Date: Tue, 13 Oct 2026 16:57:25 +0200
Subject: [PATCH 1/2] chore(workshops): drop the dead sign_up_url column

---
 app/models/workshop.rb                                       | 2 --
 .../20261013110000_remove_sign_up_url_from_workshops.rb      | 5 +++++
 db/schema.rb                                                 | 3 +--
 3 files changed, 6 insertions(+), 4 deletions(-)
 create mode 100644 db/migrate/20261013110000_remove_sign_up_url_from_workshops.rb

diff --git a/app/models/workshop.rb b/app/models/workshop.rb
index 87056605c..370159504 100644
--- a/app/models/workshop.rb
+++ b/app/models/workshop.rb
@@ -1,6 +1,4 @@
 class Workshop < ApplicationRecord
-  self.ignored_columns += %w[sign_up_url]
-
   include DateTimeConcerns
   include Invitable
   include CheckInable
diff --git a/db/migrate/20261013110000_remove_sign_up_url_from_workshops.rb b/db/migrate/20261013110000_remove_sign_up_url_from_workshops.rb
new file mode 100644
index 000000000..4e28c33d6
--- /dev/null
+++ b/db/migrate/20261013110000_remove_sign_up_url_from_workshops.rb
@@ -0,0 +1,5 @@
+class RemoveSignUpUrlFromWorkshops < ActiveRecord::Migration[8.1]
+  def change
+    safety_assured { remove_column :workshops, :sign_up_url, :string }
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 43a25e672..7855250f9 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_10_13_100000) do
+ActiveRecord::Schema[8.1].define(version: 2026_10_13_110000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -646,7 +646,6 @@
     t.boolean "invitable", default: true
     t.datetime "rsvp_closes_at", precision: nil
     t.datetime "rsvp_opens_at", precision: nil
-    t.string "sign_up_url"
     t.string "slack_channel"
     t.string "slack_channel_link"
     t.integer "student_spaces", default: 0

From 829b760dd83976891f3d947e403cc0bd68659995 Mon Sep 17 00:00:00 2001
From: Morgan Roderick <morgan@roderick.dk>
Date: Tue, 13 Oct 2026 16:57:31 +0200
Subject: [PATCH 2/2] chore(workshops): drop the transient legacy-column specs

---
 spec/models/workshop_spec.rb | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/spec/models/workshop_spec.rb b/spec/models/workshop_spec.rb
index 5746e75f3..c5078d522 100644
--- a/spec/models/workshop_spec.rb
+++ b/spec/models/workshop_spec.rb
@@ -415,10 +415,4 @@
       expect(workshop.cancellations_open?).to be(false)
     end
   end
-
-  describe 'legacy columns' do
-    it 'does not expose the legacy sign_up_url attribute' do
-      expect(described_class.new).not_to respond_to(:sign_up_url)
-    end
-  end
 end