15 lines
468 B
Ruby
15 lines
468 B
Ruby
class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]
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disable_ddl_transaction!
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def up
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duplicates = CustomEmoji.connection.select_all('SELECT string_agg(id::text, \',\') AS ids FROM custom_emojis GROUP BY lower(domain) HAVING count(*) > 1').to_hash
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duplicates.each do |row|
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CustomEmoji.where(id: row['ids'].split(',')[0...-1]).destroy_all
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end
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CustomEmoji.in_batches.update_all('domain = lower(domain)')
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end
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def down; end
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end
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