3.4.1 dropped account_stats.lock_version, but in a way breaking the usual upgrade path by requiring services to be reloaded after the post-migrations. Indeed, `self.locking_column = nil` was not enough for Rails to ignore the `lock_version` column when preparing statements on application load, resulting in some ActiveRecord queries (typically those involving `includes(:account_stat)`) erroring out with: ActiveRecord::StatementInvalid (PG::UndefinedColumn: ERROR: column account_stats.lock_version does not exist
		
			
				
	
	
		
			23 lines
		
	
	
	
		
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			Ruby
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
	
		
			697 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| # == Schema Information
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| #
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| # Table name: account_stats
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| #
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| #  id              :bigint(8)        not null, primary key
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| #  account_id      :bigint(8)        not null
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| #  statuses_count  :bigint(8)        default(0), not null
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| #  following_count :bigint(8)        default(0), not null
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| #  followers_count :bigint(8)        default(0), not null
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| #  created_at      :datetime         not null
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| #  updated_at      :datetime         not null
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| #  last_status_at  :datetime
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| #
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| 
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| class AccountStat < ApplicationRecord
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|   self.locking_column = nil
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|   self.ignored_columns = %w(lock_version)
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| 
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|   belongs_to :account, inverse_of: :account_stat
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| 
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|   update_index('accounts#account', :account)
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| end
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