mastodon/db/migrate/20181207011115_downcase_custom_emoji_domains.rb

class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]
  disable_ddl_transaction!

  def change
    CustomEmoji.in_batches.update_all('domain = lower(domain)')
  end
end
Make custom emoji domains case insensitive #9351 (#9474) * Make custom emoji domains case sensitive #9351 * Fixup style in downcase_domain to comply with codeclimate. * switch if! to unless * Don't use transactions, operate in batches. Also revert spurious schema change. 2018-12-11 04:30:57 +00:00			`class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]`
			`disable_ddl_transaction!`

			`def change`
			`CustomEmoji.in_batches.update_all('domain = lower(domain)')`
			`end`
			`end`