2017-08-31 00:06:56 -04:00
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class RenameVersionColumn < ActiveRecord::Migration[4.2]
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2013-12-11 21:41:34 -05:00
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def change
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add_column :posts, :version, :integer, default: 1, null: false
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execute "UPDATE posts SET version = cached_version"
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remove_column :posts, :cached_version
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end
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end
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