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Fix unique violation in downcase custom emoji domain migration (#9733)

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Fix #9727
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Eugen Rochko 2019-01-06 23:53:46 +01:00 committed by GitHub
parent 5dbe186585
commit 0e989a5b8f
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1 changed files with 9 additions and 1 deletions
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db/migrate/20181207011115_downcase_custom_emoji_domains.rb
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@ -1,7 +1,15 @@
class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2] class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]
disable_ddl_transaction! disable_ddl_transaction!
def change def up
duplicates = CustomEmoji.connection.select_all('SELECT string_agg(id::text, \',\') AS ids FROM custom_emojis GROUP BY lower(domain) HAVING count(*) > 1').to_hash
duplicates.each do |row|
CustomEmoji.where(id: row['ids'].split(',')[0...-1]).destroy_all
end
CustomEmoji.in_batches.update_all('domain = lower(domain)') CustomEmoji.in_batches.update_all('domain = lower(domain)')
end end
def down; end
end end