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- class AddIndexOnMediaAttachmentsAccountIdStatusId < ActiveRecord::Migration[5.2]
- disable_ddl_transaction!
- def up
- add_index :media_attachments, [:account_id, :status_id], order: { status_id: :desc }, algorithm: :concurrently
- remove_index :media_attachments, :account_id, algorithm: :concurrently
- end
- def down
- add_index :media_attachments, :account_id, algorithm: :concurrently
- remove_index :media_attachments, [:account_id, :status_id], order: { status_id: :desc }, algorithm: :concurrently
- end
- end
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