20181207011115_downcase_custom_emoji_domains.rb 479 B

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  1. class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]
  2. disable_ddl_transaction!
  3. def up
  4. duplicates = CustomEmoji.connection.select_all('SELECT string_agg(id::text, \',\') AS ids FROM custom_emojis GROUP BY shortcode, lower(domain) HAVING count(*) > 1').to_hash
  5. duplicates.each do |row|
  6. CustomEmoji.where(id: row['ids'].split(',')[0...-1]).destroy_all
  7. end
  8. CustomEmoji.in_batches.update_all('domain = lower(domain)')
  9. end
  10. def down; end
  11. end