- t.column "id", :bigint, :limit => 64
- t.column "sequence_id", :bigint, :limit => 11
- t.column "k", :string, :default => "", :null => false
- t.column "v", :string, :default => "", :null => false
+ t.column "id", :bigint, :limit => 64 :null => false
+ t.column "sequence_id", :bigint, :limit => 11 :null => false
+ t.column "k", :string, :default => "", :null => false
+ t.column "v", :string, :default => "", :null => false