This has a specific use case: you want to have another model, most likely a
Setting model, that may override the parent model.
class Computer < ActiveRecord::Base # If `data` is a PostgreSQL htsore or json store, you don't need to define `store` below. store :data, coder: JSON include .model store_attributes :data do manufacturer String, default: "IBM" end end class Phone < ActiveRecord::Base # If `data` is a PostgreSQL htsore or json store, you don't need to define `store` below. store :data, coder: JSON belongs_to :computer include :: storext_override(:computer, :data) end class SimCard < ActiveRecord::Base store :data, coder: JSON belongs_to :phone include :: # If you want to override :computer, but it's a not directly associated delegate :computer, to: :phone storext_override(:computer, :data, class: Komputer) end
This looks at Computer's
data column and copies all accessors into its own, withe override ability.
spec/storext/override_spec.rb for examples.
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