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@@ -1,7 +1,15 @@ |
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class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2] |
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disable_ddl_transaction! |
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def change |
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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 |