2017-08-31 12:06:56 +08:00
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class RenameShaAndExtColumns < ActiveRecord::Migration[4.2]
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2013-06-17 10:02:17 +08:00
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def up
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rename_column :optimized_images, :sha, :sha1
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change_column :optimized_images, :sha1, :string, limit: 40
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rename_column :optimized_images, :ext, :extension
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change_column :optimized_images, :extension, :string, limit: 10
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end
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def down
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change_column :optimized_images, :extension, :string, limit: 255
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rename_column :optimized_images, :extension, :ext
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change_column :optimized_images, :sha1, :string, limit: 255
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rename_column :optimized_images, :sha1, :sha
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end
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end
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