1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20170506185517_add_foreign_key_pipeline_schedules_and_pipelines.rb b/db/migrate/20170506185517_add_foreign_key_pipeline_schedules_and_pipelines.rb
new file mode 100644
index 00000000000..55bf40ba24d
--- /dev/null
+++ b/db/migrate/20170506185517_add_foreign_key_pipeline_schedules_and_pipelines.rb
@@ -0,0 +1,23 @@
+class AddForeignKeyPipelineSchedulesAndPipelines < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    on_delete =
+      if Gitlab::Database.mysql?
+        :nullify
+      else
+        'SET NULL'
+      end
+
+    add_concurrent_foreign_key  :ci_pipelines, :ci_pipeline_schedules,
+      column: :pipeline_schedule_id, on_delete: on_delete
+  end
+
+  def down
+    remove_foreign_key :ci_pipelines, column: :pipeline_schedule_id
+  end
+end