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# frozen_string_literal: true
class DisableExpirationPoliciesLinkedToNoContainerImages < ActiveRecord::Migration[6.1]
disable_ddl_transaction!
BATCH_SIZE = 1000
class ContainerExpirationPolicy < ActiveRecord::Base
include ::EachBatch
self.table_name = 'container_expiration_policies'
end
def up
ContainerExpirationPolicy.where(enabled: true).each_batch(of: BATCH_SIZE) do |batch, _|
sql = <<-SQL
WITH batched_relation AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (#{batch.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
def down
# no-op
# we can't accuretaly know which policies were previously enabled during `#up`
end
end
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