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# frozen_string_literal: true
class RemoveNamespacesApplicationSettingsCustomProjectTemplatesGroupIdFk < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
def up
return unless foreign_key_exists?(:application_settings, :namespaces, name: "fk_rails_b53e481273")
with_lock_retries do
execute('LOCK namespaces, application_settings IN ACCESS EXCLUSIVE MODE') if transaction_open?
remove_foreign_key_if_exists(:application_settings, :namespaces, name: "fk_rails_b53e481273")
end
end
def down
add_concurrent_foreign_key(:application_settings, :namespaces,
name: "fk_rails_b53e481273", column: :custom_project_templates_group_id,
target_column: :id, on_delete: :nullify)
end
end
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