1 files changed, 29 insertions, 0 deletions
diff --git a/db/migrate/20201123161611_add_provisioned_by_group_to_user_details.rb b/db/migrate/20201123161611_add_provisioned_by_group_to_user_details.rb
new file mode 100644
index 00000000000..6e4d0e84509
--- /dev/null
+++ b/db/migrate/20201123161611_add_provisioned_by_group_to_user_details.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class AddProvisionedByGroupToUserDetails < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_user_details_on_provisioned_by_group_id'
+
+  disable_ddl_transaction!
+
+  def up
+    unless column_exists?(:user_details, :provisioned_by_group_id)
+      with_lock_retries { add_column(:user_details, :provisioned_by_group_id, :integer, limit: 8) }
+    end
+
+    add_concurrent_index :user_details, :provisioned_by_group_id, name: INDEX_NAME
+    add_concurrent_foreign_key :user_details, :namespaces, column: :provisioned_by_group_id, on_delete: :nullify
+  end
+
+  def down
+    with_lock_retries { remove_foreign_key_without_error :user_details, column: :provisioned_by_group_id }
+
+    remove_concurrent_index_by_name :user_details, INDEX_NAME
+
+    if column_exists?(:user_details, :provisioned_by_group_id)
+      with_lock_retries { remove_column(:user_details, :provisioned_by_group_id) }
+    end
+  end
+end