discourse/db/migrate/20141211114517_fix_emoji_pa...

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class FixEmojiPath < ActiveRecord::Migration[4.2]
BASE_URL = '/plugins/emoji/images/'
def up
execute <<-SQL
UPDATE posts
SET cooked = REPLACE(cooked, '#{BASE_URL}', '#{BASE_URL}emoji_one/')
WHERE cooked LIKE '%#{BASE_URL}%'
SQL
end
def down
execute <<-SQL
UPDATE posts
SET cooked = REPLACE(cooked, '#{BASE_URL}emoji_one/', '#{BASE_URL}')
WHERE cooked LIKE '%#{BASE_URL}emoji_one/%'
SQL
end
end