QUICK Help with Ruby On Rails Query from 1:n to n:n

Hello, this is very quick and simple.

I have a group by query that works with 1:n records, but now I need it to work with n:n records.

Please contact by chat to check details, I need this solved in the next 5 hours.

Example actual input :

[login to view URL](:class => [login to view URL]).joins(class).group(class).count

Example output :


Now "class" is many to many and code doesnt work anymore.

Output I need :



Habilidades: Ruby, Ruby on Rails, Arquitectura de software

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Información del empleador:
( 32 comentarios ) Santiago, Chile

Nº del proyecto: #14546952

10 freelancers están ofertando el promedio de $39 para este trabajo


Hello, I have gone through the job post and will assist you in this work as I have expertise over Ruby on Rails and had done numerous project in previous with my best outcomes. Apart from ROR expertise I also have Más

$111 USD en 1 día
(122 comentarios)

Hello, I am graduated as software engineer and professional Rails developer for more than 5 years. If you want consistent & robust system, please consider me. You can check my profile reviews to see happy clients. Than Más

$25 USD en 1 día
(59 comentarios)

Hi, I am Ruby on Rails expert (over 6 years of experience) and also one of the Top 6 Ruby on Rails developer on freelancer. I can assure you quality of my work. My Skills: - Ruby - Ruby on Rails - System Admi Más

$35 USD en 1 día
(53 comentarios)

Hello There, I have 4+ years of experience in Ruby on Rails. I have done several open source contribution in a very famous gem called 'emoji'. You can check out sample code on my GitHub account the username is 'dilk Más

$30 USD en 1 día
(44 comentarios)

Hello Sir, I have read your requirement and understood that you are looking a Ruby on Rails Programmer. We have expert developer team in Ruby on Rails. Let me share some recently developed Ruby on Rails projects. Más

$50 USD en 1 día
(19 comentarios)

I have 1+ year of experience in Ruby on Rails. I have maintain below 2 site please check. Ruby on Rails [login to view URL] [login to view URL] I also very good in Database query. So I think this job Más

$35 USD en 1 día
(1 comentario)

I am currently working as a Full Stack Web Developer at a startup(BeautifulCode) based in Hyderabad. I am a CS graduate from NIT Warangal and have 2 years of experience as RoR Developer and very good at Front End(Angu Más

$35 USD en 1 día
(1 comentario)

Hey I can help you out with the query immediately but I'll need the proper structure of tables. Also just an advice, what you're doing doesn't follow the law of Demetrius and will cause problems, if it isn't already.

$15 USD en 1 día
(0 comentarios)
$25 USD en 1 día
(0 comentarios)

I would like to do this job. Pay only if it is completed. This would my first job in freelancer. I am looking for 5 star review

$25 USD en 1 día
(0 comentarios)