21 lines
643 B
Ruby
21 lines
643 B
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
class CopyShelvedNotificationsNotificationIdValues < ActiveRecord::Migration[7.0]
|
||
|
|
disable_ddl_transaction!
|
||
|
|
|
||
|
|
def up
|
||
|
|
min_id, max_id = execute("SELECT MIN(id), MAX(id) FROM shelved_notifications")[0].values
|
||
|
|
batch_size = 10_000
|
||
|
|
|
||
|
|
(min_id..max_id).step(batch_size) { |start_id| execute <<~SQL.squish } if min_id && max_id
|
||
|
|
UPDATE shelved_notifications
|
||
|
|
SET new_notification_id = notification_id
|
||
|
|
WHERE id >= #{start_id} AND id < #{start_id + batch_size} AND notification_id != new_notification_id
|
||
|
|
SQL
|
||
|
|
end
|
||
|
|
|
||
|
|
def down
|
||
|
|
raise ActiveRecord::IrreversibleMigration
|
||
|
|
end
|
||
|
|
end
|