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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
BATCH_SIZE = 1000
# This background migration disables container expiration policies connected
# to a project that has no container repositories
class DisableExpirationPoliciesLinkedToNoContainerImages
# rubocop: disable Style/Documentation
class ContainerExpirationPolicy < ActiveRecord::Base
include EachBatch
self.table_name = 'container_expiration_policies'
end
# rubocop: enable Style/Documentation
def perform(from_id, to_id)
ContainerExpirationPolicy.where(enabled: true, project_id: from_id..to_id).each_batch(of: BATCH_SIZE) do |batch|
sql = <<-SQL
WITH batched_relation AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (#{batch.select(:project_id).limit(BATCH_SIZE).to_sql})
UPDATE container_expiration_policies
SET enabled = FALSE
FROM batched_relation
WHERE container_expiration_policies.project_id = batched_relation.project_id
AND NOT EXISTS (SELECT 1 FROM "container_repositories" WHERE container_repositories.project_id = container_expiration_policies.project_id)
SQL
execute(sql)
end
end
private
def execute(sql)
ApplicationRecord
.connection
.execute(sql)
end
end
end
end
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