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Handle non-nil, empty Instances return refs #20978
[arvados.git]
/
services
/
api
/
db
/
migrate
/
20190422144631_fill_missing_modified_at.rb
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# Copyright (C) The Arvados Authors. All rights reserved.
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#
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# SPDX-License-Identifier: AGPL-3.0
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class FillMissingModifiedAt < ActiveRecord::Migration[5.0]
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def up
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Collection.where('modified_at is null').update_all('modified_at = created_at')
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end
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def down
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end
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end