1 files changed, 24 insertions, 0 deletions
diff --git a/db/migrate/20210423171304_re_order_fk_source_project_id_in_merge_requests.rb b/db/migrate/20210423171304_re_order_fk_source_project_id_in_merge_requests.rb
new file mode 100644
index 00000000000..ee9e444c792
--- /dev/null
+++ b/db/migrate/20210423171304_re_order_fk_source_project_id_in_merge_requests.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class ReOrderFkSourceProjectIdInMergeRequests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  OLD_SOURCE_PROJECT_FK = 'fk_3308fe130c'
+  NEW_SOURCE_PROJECT_FK = 'fk_source_project'
+
+  def up
+    add_concurrent_foreign_key :merge_requests, :projects, column: :source_project_id, on_delete: :nullify, name: NEW_SOURCE_PROJECT_FK
+
+    remove_foreign_key_if_exists :merge_requests, column: :source_project_id, name: OLD_SOURCE_PROJECT_FK
+  end
+
+  def down
+    add_concurrent_foreign_key :merge_requests, :projects, column: :source_project_id, on_delete: :nullify
+
+    remove_foreign_key_if_exists :merge_requests, column: :source_project_id, name: NEW_SOURCE_PROJECT_FK
+  end
+end