Enable ActiveRecord unsigned integers to use 8 bytes instead of 4. This fixes the ActiveModel::RangeError problem where AR models with perfectly fine 8 bytes primary keys are taken for ActiveModel::Type::Integer with a default limit of 4 bytes.

class Project< ApplicationRecord belongs_to_many :employees end

add_column :videos, :tag_ids, :bigint, array: true Tag.has_many :videos, array: true

t.datetime :seen_at, default: { expr: 'NOW()' }

Define table structure (columns and indexes) inside your ActiveRecord models like you can do in migrations. Also similar to DataMapper inline schema syntax.

and calls .unarchived and .archived appropriately when passed an ActiveRecord relation.