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
		
			
				
	
	
	
		
			697 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			697 B