2D Metroidvania roguelike action game Never Grave: The Witch and The Curse will launch for PlayStation 5, Xbox Series, PlayStation 4, Xbox One, Switch, and PC via Steam and Microsoft Store as a ful… ...

Create a unique index concurrently, then use it for the constraint. class AddUniqueConstraint < ActiveRecord :: Migration [ 8.0 ] disable_ddl_transaction! def up add_index :users , :some_column , ...