Inherit from ApplicationRecord instead of ActiveRecord::Base

app/models/abuse_report.rb

 # frozen_string_literal: true
-class AbuseReport < ActiveRecord::Base
+class AbuseReport < ApplicationRecord
   include CacheMarkdownField
   cache_markdown_field :message, pipeline: :single_line

app/models/appearance.rb

 # frozen_string_literal: true
-class Appearance < ActiveRecord::Base
+class Appearance < ApplicationRecord
   include CacheableAttributes
   include CacheMarkdownField
   include ObjectStorage::BackgroundMove

app/models/application_setting.rb

 # frozen_string_literal: true
-class ApplicationSetting < ActiveRecord::Base
+class ApplicationSetting < ApplicationRecord
   include CacheableAttributes
   include CacheMarkdownField
   include TokenAuthenticatable

app/models/application_setting/term.rb

 # frozen_string_literal: true
 class ApplicationSetting
-  class Term < ActiveRecord::Base
+  class Term < ApplicationRecord
     include CacheMarkdownField
     has_many :term_agreements

app/models/audit_event.rb

 # frozen_string_literal: true
-class AuditEvent < ActiveRecord::Base
+class AuditEvent < ApplicationRecord
   serialize :details, Hash # rubocop:disable Cop/ActiveRecordSerialize
   belongs_to :user, foreign_key: :author_id

app/models/award_emoji.rb

 # frozen_string_literal: true
-class AwardEmoji < ActiveRecord::Base
+class AwardEmoji < ApplicationRecord
   DOWNVOTE_NAME = "thumbsdown".freeze
   UPVOTE_NAME   = "thumbsup".freeze

app/models/badge.rb

 # frozen_string_literal: true
-class Badge < ActiveRecord::Base
+class Badge < ApplicationRecord
   include FromUnion
   # This structure sets the placeholders that the urls

app/models/board.rb

 # frozen_string_literal: true
-class Board < ActiveRecord::Base
+class Board < ApplicationRecord
   belongs_to :group
   belongs_to :project

app/models/board_group_recent_visit.rb

 # frozen_string_literal: true
 # Tracks which boards in a specific group a user has visited
-class BoardGroupRecentVisit < ActiveRecord::Base
+class BoardGroupRecentVisit < ApplicationRecord
   belongs_to :user
   belongs_to :group
   belongs_to :board

app/models/board_project_recent_visit.rb

 # frozen_string_literal: true
 # Tracks which boards in a specific project a user has visited
-class BoardProjectRecentVisit < ActiveRecord::Base
+class BoardProjectRecentVisit < ApplicationRecord
   belongs_to :user
   belongs_to :project
   belongs_to :board

app/models/broadcast_message.rb

 # frozen_string_literal: true
-class BroadcastMessage < ActiveRecord::Base
+class BroadcastMessage < ApplicationRecord
   include CacheMarkdownField
   include Sortable

app/models/chat_name.rb

 # frozen_string_literal: true
-class ChatName < ActiveRecord::Base
+class ChatName < ApplicationRecord
   LAST_USED_AT_INTERVAL = 1.hour
   belongs_to :service

app/models/chat_team.rb

 # frozen_string_literal: true
-class ChatTeam < ActiveRecord::Base
+class ChatTeam < ApplicationRecord
   validates :team_id, presence: true
   validates :namespace, uniqueness: true

app/models/ci/build_metadata.rb

@@ -3,7 +3,7 @@
 module Ci
   # The purpose of this class is to store Build related data that can be disposed.
   # Data that should be persisted forever, should be stored with Ci::Build model.
-  class BuildMetadata < ActiveRecord::Base
+  class BuildMetadata < ApplicationRecord
     extend Gitlab::Ci::Model
     include Presentable
     include ChronicDurationAttribute

app/models/ci/build_runner_session.rb

@@ -3,7 +3,7 @@
 module Ci
   # The purpose of this class is to store Build related runner session.
   # Data will be removed after transitioning from running to any state.
-  class BuildRunnerSession < ActiveRecord::Base
+  class BuildRunnerSession < ApplicationRecord
     extend Gitlab::Ci::Model
     self.table_name = 'ci_builds_runner_session'

app/models/ci/build_trace_chunk.rb

 # frozen_string_literal: true
 module Ci
-  class BuildTraceChunk < ActiveRecord::Base
+  class BuildTraceChunk < ApplicationRecord
     include FastDestroyAll
     include ::Gitlab::ExclusiveLeaseHelpers
     extend Gitlab::Ci::Model

app/models/ci/build_trace_section.rb

 # frozen_string_literal: true
 module Ci
-  class BuildTraceSection < ActiveRecord::Base
+  class BuildTraceSection < ApplicationRecord
     extend Gitlab::Ci::Model
     belongs_to :build, class_name: 'Ci::Build'

app/models/ci/build_trace_section_name.rb

 # frozen_string_literal: true
 module Ci
-  class BuildTraceSectionName < ActiveRecord::Base
+  class BuildTraceSectionName < ApplicationRecord
     extend Gitlab::Ci::Model
     belongs_to :project

app/models/ci/group_variable.rb

 # frozen_string_literal: true
 module Ci
-  class GroupVariable < ActiveRecord::Base
+  class GroupVariable < ApplicationRecord
     extend Gitlab::Ci::Model
     include HasVariable
     include Presentable

app/models/ci/job_artifact.rb

 # frozen_string_literal: true
 module Ci
-  class JobArtifact < ActiveRecord::Base
+  class JobArtifact < ApplicationRecord
     include AfterCommitQueue
     include ObjectStorage::BackgroundMove
     extend Gitlab::Ci::Model