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# frozen_string_literal: true
module Namespaces
class Descendants < ApplicationRecord
self.table_name = :namespace_descendants
belongs_to :namespace
validates :namespace_id, uniqueness: true
def self.expire_for(namespace_ids)
# Union:
# - Look up all parent ids including the given ids via traversal_ids
# - Include the given ids to handle the case when the namespaces records are already deleted
sql = <<~SQL
WITH namespace_ids AS MATERIALIZED (
(
SELECT ids.id
FROM namespaces, UNNEST(traversal_ids) ids(id)
WHERE namespaces.id IN (?)
) UNION
(SELECT UNNEST(ARRAY[?]) AS id)
)
UPDATE namespace_descendants SET outdated_at = ? FROM namespace_ids WHERE namespace_descendants.namespace_id = namespace_ids.id
SQL
connection.execute(sanitize_sql_array([sql, namespace_ids, namespace_ids, Time.current]))
end
end
end
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