1 files changed, 29 insertions, 0 deletions
diff --git a/db/post_migrate/20200525121014_drop_users_ghost_column.rb b/db/post_migrate/20200525121014_drop_users_ghost_column.rb
new file mode 100644
index 00000000000..1f80bc74b9d
--- /dev/null
+++ b/db/post_migrate/20200525121014_drop_users_ghost_column.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class DropUsersGhostColumn < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index_by_name :users, 'index_users_on_ghost'
+
+    with_lock_retries do
+      remove_column :users, :ghost
+    end
+  end
+
+  def down
+    unless column_exists?(:users, :ghost)
+      with_lock_retries do
+        add_column :users, :ghost, :boolean # rubocop:disable Migration/AddColumnsToWideTables
+      end
+    end
+
+    execute 'UPDATE users set ghost = TRUE WHERE user_type = 5'
+
+    add_concurrent_index :users, :ghost
+  end
+end