Remove include_sti_condition flag

Removes include_sti_condition feature flag from traversal id queries.

Changelog: other

app/models/namespaces/traversal/linear.rb

@@ -161,7 +161,7 @@ module Namespaces
       def lineage(top: nil, bottom: nil, hierarchy_order: nil)
         raise UnboundedSearch, 'Must bound search by either top or bottom' unless top || bottom
 
-        skope = self.class.without_sti_condition
+        skope = self.class
 
         if top
           skope = skope.where("traversal_ids @> ('{?}')", top.id)
@@ -181,7 +181,6 @@ module Namespaces
           # standard SELECT to avoid mismatched attribute errors when trying to
           # chain future ActiveRelation commands, and retain the ordering.
           skope = self.class
-            .without_sti_condition
             .from(skope, self.class.table_name)
             .select(skope.arel_table[Arel.star])
             .order(depth: hierarchy_order)

app/models/namespaces/traversal/linear_scopes.rb

@@ -19,8 +19,7 @@ module Namespaces
           return super unless use_traversal_ids_for_ancestor_scopes?
 
           records = unscoped
-            .without_sti_condition
-            .where(id: without_sti_condition.select('unnest(traversal_ids)'))
+            .where(id: select('unnest(traversal_ids)'))
             .order_by_depth(hierarchy_order)
             .normal_select
 
@@ -60,16 +59,6 @@ module Namespaces
           end
         end
 
-        # Make sure we drop the STI `type = 'Group'` condition for better performance.
-        # Logically equivalent so long as hierarchies remain homogeneous.
-        def without_sti_condition
-          if Feature.enabled?(:include_sti_condition, default_enabled: :yaml)
-            all
-          else
-            unscope(where: :type)
-          end
-        end
-
         def order_by_depth(hierarchy_order)
           return all unless hierarchy_order
 
@@ -85,7 +74,7 @@ module Namespaces
         # When we have queries that break this SELECT * format we can run in to errors.
         # For example `SELECT DISTINCT on(...)` will fail when we chain a `.count` c
         def normal_select
-          unscoped.without_sti_condition.from(all, :namespaces)
+          unscoped.from(all, :namespaces)
         end
 
         private
@@ -108,7 +97,6 @@ module Namespaces
 
           namespaces = Arel::Table.new(:namespaces)
           records = unscoped
-            .without_sti_condition
             .with(cte.to_arel)
             .from([cte.table, namespaces])
 
@@ -136,7 +124,6 @@ module Namespaces
           base_ids = select(:id)
 
           records = unscoped
-            .without_sti_condition
             .from("namespaces, (#{base_ids.to_sql}) base")
             .where('namespaces.traversal_ids @> ARRAY[base.id]')
 

config/feature_flags/development/include_sti_condition.yml

----
-name: include_sti_condition
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/72119
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/343412
-milestone: '14.5'
-type: development
-group: group::workspace
-default_enabled: false

spec/models/group_spec.rb

@@ -571,16 +571,6 @@ RSpec.describe Group do
         it 'filters out project namespace' do
           expect(group.descendants.find_by_id(project_namespace.id)).to be_nil
         end
-
-        context 'when include_sti_condition is disabled' do
-          before do
-            stub_feature_flags(include_sti_condition: false)
-          end
-
-          it 'raises an exception' do
-            expect { group.descendants.find_by_id(project_namespace.id)}.to raise_error(ActiveRecord::SubclassNotFound)
-          end
-        end
       end
     end
   end

spec/support/shared_examples/namespaces/traversal_scope_examples.rb

@@ -25,26 +25,6 @@ RSpec.shared_examples 'namespace traversal scopes' do
     it { is_expected.to contain_exactly(group_1.id, group_2.id) }
   end
 
-  describe '.without_sti_condition' do
-    subject { described_class.where(type: 'Group').without_sti_condition }
-
-    context 'when include_sti_condition is enabled' do
-      before do
-        stub_feature_flags(include_sti_condition: true)
-      end
-
-      it { expect(subject.where_values_hash).to have_key('type') }
-    end
-
-    context 'when include_sti_condition is disabled' do
-      before do
-        stub_feature_flags(include_sti_condition: false)
-      end
-
-      it { expect(subject.where_values_hash).not_to have_key('type') }
-    end
-  end
-
   describe '.order_by_depth' do
     subject { described_class.where(id: [group_1, nested_group_1, deep_nested_group_1]).order_by_depth(direction) }