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- class CopyStatusStats < ActiveRecord::Migration[5.2]
- disable_ddl_transaction!
-
- def up
- safety_assured do
- Status.unscoped.select('id').find_in_batches(batch_size: 5_000) do |statuses|
- execute <<-SQL.squish
- INSERT INTO status_stats (status_id, reblogs_count, favourites_count, created_at, updated_at)
- SELECT id, reblogs_count, favourites_count, created_at, updated_at
- FROM statuses
- WHERE id IN (#{statuses.map(&:id).join(', ')})
- ON CONFLICT (status_id) DO UPDATE
- SET reblogs_count = EXCLUDED.reblogs_count, favourites_count = EXCLUDED.favourites_count
- SQL
- end
- end
- end
-
- def down
- # Nothing
- end
- end
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