Improve epic inherited dates update performance7332-inherit-epic-dates-ce

* Uses a single update statement to update start_date, due_date,
start_date_sourcing_milestone_id, start_date_sourcing_epic_id,
due_date_sourcing_milestone_id, due_date_sourcing_epic_id
* Moves inherited dates update of multiple epics to an async worker

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/lib/gitlab/sql/union_spec.rb b/spec/lib/gitlab/sql/union_spec.rb
index fe6422c32b6..b77bd3a1d2a 100644
--- a/spec/lib/gitlab/sql/union_spec.rb
+++ b/spec/lib/gitlab/sql/union_spec.rb
@@ -12,7 +12,7 @@ describe Gitlab::SQL::Union do
     it 'returns a String joining relations together using a UNION' do
       union = described_class.new([relation_1, relation_2])
 
-      expect(union.to_sql).to eq("#{to_sql(relation_1)}\nUNION\n#{to_sql(relation_2)}")
+      expect(union.to_sql).to eq("(#{to_sql(relation_1)})\nUNION\n(#{to_sql(relation_2)})")
     end
 
     it 'skips Model.none segements' do
@@ -20,7 +20,7 @@ describe Gitlab::SQL::Union do
       union = described_class.new([empty_relation, relation_1, relation_2])
 
       expect {User.where("users.id IN (#{union.to_sql})").to_a}.not_to raise_error
-      expect(union.to_sql).to eq("#{to_sql(relation_1)}\nUNION\n#{to_sql(relation_2)}")
+      expect(union.to_sql).to eq("(#{to_sql(relation_1)})\nUNION\n(#{to_sql(relation_2)})")
     end
 
     it 'uses UNION ALL when removing duplicates is disabled' do