Add a thin encapsulation around .pluck(:id)

app/models/application_record.rb

@@ -7,6 +7,14 @@ class ApplicationRecord < ActiveRecord::Base
     where(id: ids)
   end
+  def self.id_not_in(ids)
+    where.not(id: ids)
+  end
+
+  def self.pluck_primary_key
+    where(nil).pluck(self.primary_key)
+  end
+
   def self.safe_find_or_create_by!(*args)
     safe_find_or_create_by(*args).tap do |record|
       record.validate! unless record.persisted?

app/services/issuable_base_service.rb

@@ -76,13 +76,11 @@ class IssuableBaseService < BaseService
     find_or_create_label_ids
   end
-  # rubocop: disable CodeReuse/ActiveRecord
   def filter_labels_in_param(key)
     return if params[key].to_a.empty?
-    params[key] = available_labels.where(id: params[key]).pluck(:id)
+    params[key] = available_labels.id_in(params[key]).pluck_primary_key
   end
-  # rubocop: enable CodeReuse/ActiveRecord
   def find_or_create_label_ids
     labels = params.delete(:labels)

app/services/merge_requests/delete_non_latest_diffs_service.rb

@@ -8,15 +8,13 @@ module MergeRequests
       @merge_request = merge_request
     end
-    # rubocop: disable CodeReuse/ActiveRecord
     def execute
       diffs = @merge_request.non_latest_diffs.with_files
       diffs.each_batch(of: BATCH_SIZE) do |relation, index|
-        ids = relation.pluck(:id).map { |id| [id] }
+        ids = relation.pluck_primary_key.map { |id| [id] }
         DeleteDiffFilesWorker.bulk_perform_in(index * 5.minutes, ids)
       end
     end
-    # rubocop: enable CodeReuse/ActiveRecord
   end
 end

app/services/milestones/promote_service.rb

@@ -26,17 +26,15 @@ module Milestones
     private
-    # rubocop: disable CodeReuse/ActiveRecord
     def milestone_ids_for_merge(group_milestone)
       # Pluck need to be used here instead of select so the array of ids
       # is persistent after old milestones gets deleted.
       @milestone_ids_for_merge ||= begin
         search_params = { title: group_milestone.title, project_ids: group_project_ids, state: 'all' }
         milestones = MilestonesFinder.new(search_params).execute
-        milestones.pluck(:id)
+        milestones.pluck_primary_key
       end
     end
-    # rubocop: enable CodeReuse/ActiveRecord
     def move_children_to_group_milestone(group_milestone)
       milestone_ids_for_merge(group_milestone).in_groups_of(100, false) do |milestone_ids|

app/services/quick_actions/interpret_service.rb

@@ -554,7 +554,7 @@ module QuickActions
         current_user.can?(:"update_#{issuable.to_ability_name}", issuable) &&
         issuable.project.boards.count == 1
     end
-    # rubocop: disable CodeReuse/ActiveRecord
+
     command :board_move do |target_list_name|
       label_ids = find_label_ids(target_list_name)
@@ -562,14 +562,17 @@ module QuickActions
         label_id = label_ids.first
         # Ensure this label corresponds to a list on the board
-        next unless Label.on_project_boards(issuable.project_id).where(id: label_id).exists?
-        @updates[:remove_label_ids] =
-          issuable.labels.on_project_boards(issuable.project_id).where.not(id: label_id).pluck(:id)
+        next unless Label.on_project_boards(issuable.project_id).id_in(label_id).exists?
+
+        @updates[:remove_label_ids] = issuable
+            .labels
+            .on_project_boards(issuable.project_id)
+            .id_not_in(label_id)
+            .pluck_primary_key
         @updates[:add_label_ids] = [label_id]
       end
     end
-    # rubocop: enable CodeReuse/ActiveRecord
     desc 'Mark this issue as a duplicate of another issue'
     explanation do |duplicate_reference|