1 files changed, 26 insertions, 0 deletions
diff --git a/db/post_migrate/20200922231755_remove_created_by_user_id_from_cluster_providers_aws.rb b/db/post_migrate/20200922231755_remove_created_by_user_id_from_cluster_providers_aws.rb
new file mode 100644
index 00000000000..02cc9676202
--- /dev/null
+++ b/db/post_migrate/20200922231755_remove_created_by_user_id_from_cluster_providers_aws.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class RemoveCreatedByUserIdFromClusterProvidersAws < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_cluster_providers_aws_on_created_by_user_id'
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      remove_column :cluster_providers_aws, :created_by_user_id
+    end
+  end
+
+  def down
+    unless column_exists?(:cluster_providers_aws, :created_by_user_id)
+      add_column :cluster_providers_aws, :created_by_user_id, :integer
+    end
+
+    add_concurrent_index :cluster_providers_aws, :created_by_user_id, name: INDEX_NAME
+
+    add_concurrent_foreign_key :cluster_providers_aws, :users, column: :created_by_user_id, on_delete: :nullify
+  end
+end