discourse/db/migrate/20130828192526_fix_optimized_images_urls.rb
2013-08-28 21:29:45 +02:00

20 lines
734 B
Ruby

class FixOptimizedImagesUrls < ActiveRecord::Migration
def up
# `AddUrlToOptimizedImages` was wrongly computing the URLs. This fixes it!
execute "UPDATE optimized_images
SET url = substring(oi.url from '^\/uploads\/[^/]+\/_optimized/[0-9a-f]{3}/[0-9a-f]{3}/[0-9a-f]{11}')
|| '_'
|| oi.width
|| 'x'
|| oi.height
|| substring(oi.url from '\.\w{3,4}$')
FROM optimized_images oi
WHERE optimized_images.id = oi.id
AND oi.url ~ '^\/uploads\/[^/]+\/_optimized\/[0-9a-f]{3}/[0-9a-f]{3}/[0-9a-f]{11}\.';"
end
def down
raise ActiveRecord::IrreversibleMigration
end
end