Jorge Manrubia
15 lines
397 B
Ruby
15 lines
397 B
Ruby
class MakeEventsEventable < ActiveRecord::Migration[8.1]
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def change
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add_reference :events, :eventable, polymorphic: true, index: true
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execute <<~SQL
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update events set eventable_type = 'Card', eventable_id = card_id;
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SQL
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change_column_null :events, :eventable_id, false
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change_column_null :events, :eventable_type, false
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remove_reference :events, :card
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end
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end
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