Add missing on_delete: :cascade on notification_policies (#30251)

db/migrate/20240510192043_fix_notification_policies_foreign_key.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class FixNotificationPoliciesForeignKey < ActiveRecord::Migration[7.1]
+  def up
+    safety_assured do
+      execute <<~SQL.squish
+        ALTER TABLE notification_policies
+          DROP CONSTRAINT fk_rails_506d62f0da,
+          ADD CONSTRAINT fk_rails_506d62f0da
+            FOREIGN KEY (account_id)
+            REFERENCES accounts(id)
+            ON DELETE CASCADE
+      SQL
+    end
+  end
+
+  def down
+    safety_assured do
+      execute <<~SQL.squish
+        ALTER TABLE notification_policies
+          DROP CONSTRAINT fk_rails_506d62f0da,
+          ADD CONSTRAINT fk_rails_506d62f0da
+            FOREIGN KEY (account_id)
+            REFERENCES accounts(id)
+      SQL
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_03_22_161611) do
+ActiveRecord::Schema[7.1].define(version: 2024_05_10_192043) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -1335,7 +1335,7 @@
   add_foreign_key "mutes", "accounts", name: "fk_b8d8daf315", on_delete: :cascade
   add_foreign_key "notification_permissions", "accounts"
   add_foreign_key "notification_permissions", "accounts", column: "from_account_id"
-  add_foreign_key "notification_policies", "accounts"
+  add_foreign_key "notification_policies", "accounts", on_delete: :cascade
   add_foreign_key "notification_requests", "accounts", column: "from_account_id", on_delete: :cascade
   add_foreign_key "notification_requests", "accounts", on_delete: :cascade
   add_foreign_key "notification_requests", "statuses", column: "last_status_id", on_delete: :nullify