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# frozen_string_literal: true
class CreateNamespacesByTopLevelNamespaceIndex < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
INDEX_NAME = 'index_on_namespaces_namespaces_by_top_level_namespace'
# rubocop:disable Migration/PreventIndexCreation
def up
add_concurrent_index :namespaces, '(traversal_ids[1]), type, id', name: INDEX_NAME
end
# rubocop:enable Migration/PreventIndexCreation
def down
remove_concurrent_index_by_name :namespaces, INDEX_NAME
end
end
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