Jorge Manrubia
19 lines
524 B
Ruby
19 lines
524 B
Ruby
class AddCreatorToNotifications < ActiveRecord::Migration[8.1]
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def change
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add_reference :notifications, :creator, null: true, foreign_key: { to_table: :users }
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execute <<~SQL
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UPDATE notifications
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SET creator_id = (
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SELECT events.creator_id
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FROM events
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WHERE events.id = notifications.source_id
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AND notifications.source_type = 'Event'
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)
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WHERE source_type = 'Event';
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SQL
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change_column_null :notifications, :creator_id, true
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end
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end
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