Upgrade to Rails 5.1, gem `query_reviewer` and deprecated method `alias_method_chain`

Question

Rails community!

I'm having an issue about upgrading on Rails project from Rails 4.2 to Rails 5.2, issue related to the step from Rails 5.0 to 5.1

/gems/query_reviewer-0.2.2/lib/query_reviewer/mysql_adapter_extensions.rb:4:in `included': undefined method `alias_method_chain' for ActiveRecord::ConnectionAdapters::Mysql2Adapter:Class (NoMethodError)

I've read a lot of related questions here, and I understood that method alias_method_chains is deprecated with Rails 5.1...

However, here, issue comes from a gem, especially gem query_reviewer ( github , rubygems ): Last version of this gem is 0.2.2 (septembre 16, 2013) and includes the deprecated method:

module QueryReviewer
  module MysqlAdapterExtensions
    def self.included(base)
      base.alias_method_chain :select, :review
      base.alias_method_chain :update, :review
      base.alias_method_chain :insert, :review
      base.alias_method_chain :delete, :review
    end

Obviously, this gem is not available with Rails 5.1, and obvious but painful option would be to look for an other gem... But, maybe, someone had the same issue and found a better way to answer to this 1st question as StackOverflow user ;) ?

Thanks by advance

Answer 1

In rails 5+ alias_method_chain has removed, so in place of this we can use alias_method like below

  base.alias_method :select_without_review, :select
  base.alias_method :select, :select_with_review
  base.alias_method :update_without_review, :update
  base.alias_method :update, :update_with_review
  base.alias_method :insert_without_review, :insert
  base.alias_method :insert, :insert_with_review
  base.alias_method :delete_without_review, :delete
  base.alias_method :delete, :delete_with_review