Use cascading deletes for deleting logs upon deleting a webhook

app/models/hooks/web_hook.rb

@@ -13,7 +13,7 @@ class WebHook < ApplicationRecord
                  algorithm: 'aes-256-gcm',
                  key:       Settings.attr_encrypted_db_key_base_32
 
-  has_many :web_hook_logs, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
+  has_many :web_hook_logs
 
   validates :url, presence: true
   validates :url, public_url: true, unless: ->(hook) { hook.is_a?(SystemHook) }

changelogs/unreleased/29215-500-error-when-deleting-group-web-hook-activerecord-statementinvali.yml

+---
+title: Use cascading deletes for deleting logs upon deleting a webhook
+merge_request: 18642
+author:
+type: performance

spec/models/hooks/web_hook_spec.rb

@@ -6,7 +6,7 @@ describe WebHook do
   let(:hook) { build(:project_hook) }
 
   describe 'associations' do
-    it { is_expected.to have_many(:web_hook_logs).dependent(:destroy) }
+    it { is_expected.to have_many(:web_hook_logs) }
   end
 
   describe 'validations' do
@@ -85,4 +85,13 @@ describe WebHook do
       hook.async_execute(data, hook_name)
     end
   end
+
+  describe '#destroy' do
+    it 'cascades to web_hook_logs' do
+      web_hook = create(:project_hook)
+      create_list(:web_hook_log, 3, web_hook: web_hook)
+
+      expect { web_hook.destroy }.to change(web_hook.web_hook_logs, :count).by(-3)
+    end
+  end
 end