Add latest changes from gitlab-org/gitlab@master

1 files changed, 25 insertions, 0 deletions

diff --git a/db/migrate/20190703171555_add_sourcing_epic_dates_fks.rb b/db/migrate/20190703171555_add_sourcing_epic_dates_fks.rb
new file mode 100644
index 00000000000..4995a3cd03f
--- /dev/null
+++ b/db/migrate/20190703171555_add_sourcing_epic_dates_fks.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class AddSourcingEpicDatesFks < ActiveRecord::Migration[5.1]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :epics, :start_date_sourcing_epic_id, where: 'start_date_sourcing_epic_id is not null'
+    add_concurrent_index :epics, :due_date_sourcing_epic_id, where: 'due_date_sourcing_epic_id is not null'
+
+    add_concurrent_foreign_key :epics, :epics, column: :start_date_sourcing_epic_id, on_delete: :nullify
+    add_concurrent_foreign_key :epics, :epics, column: :due_date_sourcing_epic_id, on_delete: :nullify
+  end
+
+  def down
+    remove_foreign_key_if_exists :epics, column: :start_date_sourcing_epic_id
+    remove_foreign_key_if_exists :epics, column: :due_date_sourcing_epic_id
+
+    remove_concurrent_index :epics, :start_date_sourcing_epic_id
+    remove_concurrent_index :epics, :due_date_sourcing_epic_id
+  end
+end