discourse/db/migrate/20130828192526_fix_optimize...

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# frozen_string_literal: true
class FixOptimizedImagesUrls < ActiveRecord::Migration[4.2]
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def up
# `AddUrlToOptimizedImages` was wrongly computing the URLs. This fixes it!
execute "UPDATE optimized_images
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SET url = substring(oi.url from '^\\/uploads\\/[^/]+\\/_optimized\\/[0-9a-f]{3}\\/[0-9a-f]{3}\\/[0-9a-f]{11}')
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|| '_'
|| oi.width
|| 'x'
|| oi.height
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|| substring(oi.url from '\\.\\w{3,4}$')
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FROM optimized_images oi
WHERE optimized_images.id = oi.id
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AND oi.url ~ '^\\/uploads\\/[^/]+\\/_optimized\\/[0-9a-f]{3}\\/[0-9a-f]{3}\\/[0-9a-f]{11}\\.';"
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end
def down
raise ActiveRecord::IrreversibleMigration
end
end