Remove attempt_project_search_optimizations feature flag

app/finders/issuable_finder.rb

@@ -234,8 +234,7 @@ class IssuableFinder
   end
 
   def attempt_project_search_optimizations?
-    params[:attempt_project_search_optimizations] &&
-      Feature.enabled?(:attempt_project_search_optimizations, default_enabled: true)
+    params[:attempt_project_search_optimizations]
   end
 
   def count_key(value)

changelogs/unreleased/gaga5lala-remove-feature-flag.yml

+---
+title: Remove attempt_project_search_optimizations feature flag
+merge_request: 41550
+author: gaga5lala
+type: other

spec/finders/issues_finder_spec.rb

@@ -1004,36 +1004,22 @@ RSpec.describe IssuesFinder do
       end
     end
 
-    context 'when attempt_group_search_optimizations is unset and attempt_project_search_optimizations is set' do
-      let(:params) { { search: 'foo', attempt_project_search_optimizations: true } }
-
-      context 'and the corresponding feature flag is disabled' do
-        before do
-          stub_feature_flags(attempt_project_search_optimizations: false)
-        end
+    context 'when all conditions are met' do
+      context "uses group search optimization" do
+        let(:params) { { search: 'foo', attempt_group_search_optimizations: true } }
 
-        it 'returns false' do
-          expect(finder.use_cte_for_search?).to be_falsey
+        it 'returns true' do
+          expect(finder.use_cte_for_search?).to be_truthy
         end
       end
 
-      context 'and the corresponding feature flag is enabled' do
-        before do
-          stub_feature_flags(attempt_project_search_optimizations: true)
-        end
+      context "uses project search optimization" do
+        let(:params) { { search: 'foo', attempt_project_search_optimizations: true } }
 
         it 'returns true' do
           expect(finder.use_cte_for_search?).to be_truthy
         end
       end
     end
-
-    context 'when all conditions are met' do
-      let(:params) { { search: 'foo', attempt_group_search_optimizations: true } }
-
-      it 'returns true' do
-        expect(finder.use_cte_for_search?).to be_truthy
-      end
-    end
   end
 end

spec/support/shared_examples/controllers/issuables_list_metadata_shared_examples.rb

@@ -42,10 +42,6 @@ RSpec.shared_examples 'issuables list meta-data' do |issuable_type, action = nil
     let(:result_issuable) { issuables.first }
     let(:search) { result_issuable.title }
 
-    before do
-      stub_feature_flags(attempt_project_search_optimizations: true)
-    end
-
     # .simple_sorts is the same across all Sortable classes
     sorts = ::Issue.simple_sorts.keys + %w[popularity priority label_priority]
     sorts.each do |sort|