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# frozen_string_literal: true
# rescheduling of the revised RemoveRestrictedTodosWithCte background migration
class RemoveRestrictedTodosAgain < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
MIGRATION = 'RemoveRestrictedTodos'.freeze
BATCH_SIZE = 1000
DELAY_INTERVAL = 5.minutes.to_i
class Project < ActiveRecord::Base
include EachBatch
self.table_name = 'projects'
end
def up
Project.where('EXISTS (SELECT 1 FROM todos WHERE todos.project_id = projects.id)')
.each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pluck('MIN(id)', 'MAX(id)').first
BackgroundMigrationWorker.perform_in(index * DELAY_INTERVAL, MIGRATION, range)
end
end
def down
# nothing to do
end
end
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