* Use ActiveRecord::Result#to_ary instead of deprecated to_hash They do the same thing, and to_hash has been removed from Rails 6.1 * Explicitly name polymorphic indexes to workaround a bug in Rails 6.1 cf. https://github.com/rails/rails/issues/41693 * Fix incorrect usage of “foreign_key” in migration script * Use `ActiveModel::Errors#delete` instead of deprecated clear method * Fix link headers tests on Rails 6.1 Rails 6.1 adds values to the Link header by default, thus it is not a LinkHeader object anymore. Fix the test to parse the Link header instead of assuming it is a LinkHeader.
		
			
				
	
	
		
			15 lines
		
	
	
	
		
			478 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
	
		
			478 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| class DowncaseCustomEmojiDomains < ActiveRecord::Migration[5.2]
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|   disable_ddl_transaction!
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| 
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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 shortcode, lower(domain) HAVING count(*) > 1').to_ary
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| 
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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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| 
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|     CustomEmoji.in_batches.update_all('domain = lower(domain)')
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|   end
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| 
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|   def down; end
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| end
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