Use a `ghost` boolean to track ghost users.

Rather than using a separate `ghost` state. This lets us have the benefits of
both ghost and blocked users (ghost: true, state: blocked) without having to
rewrite a number of queries to include cases for `state: ghost`.

1 files changed, 15 insertions, 0 deletions

diff --git a/db/migrate/20170206115204_add_column_ghost_to_users.rb b/db/migrate/20170206115204_add_column_ghost_to_users.rb
new file mode 100644
index 00000000000..57b66ca91a8
--- /dev/null
+++ b/db/migrate/20170206115204_add_column_ghost_to_users.rb
@@ -0,0 +1,15 @@
+class AddColumnGhostToUsers < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_column_with_default :users, :ghost, :boolean, default: false, allow_null: false
+  end
+
+  def down
+    remove_column :users, :ghost
+  end
+end