discourse/db/migrate/20130617014127_rename_sha_a...

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class RenameShaAndExtColumns < ActiveRecord::Migration[4.2]
def up
rename_column :optimized_images, :sha, :sha1
change_column :optimized_images, :sha1, :string, limit: 40
rename_column :optimized_images, :ext, :extension
change_column :optimized_images, :extension, :string, limit: 10
end
def down
change_column :optimized_images, :extension, :string, limit: 255
rename_column :optimized_images, :extension, :ext
change_column :optimized_images, :sha1, :string, limit: 255
rename_column :optimized_images, :sha1, :sha
end
end