How to convert SQL query to Ruby on Rails -


how convert following sql query ruby on rails?

select health_workers.name,health_workers.surname,clinics.name clinic,count(observations.id) count,observations.observation_date  health_workers  left join observations on health_workers.id = observations.health_worker_id, clinics  health_workers.clinic_id = clinics.id  group  health_workers.name,health_workers.surname,clinics.name,observations.observation_date.

you can way

query = "select health_workers.name,health_workers.surname,clinics.name clinic,count(observations.id) count,observations.observation_date  health_workers  left join observations on health_workers.id = observations.health_worker_id, clinics  health_workers.clinic_id = clinics.id  group  health_workers.name,health_workers.surname,clinics.name,observations.observation_date."   results = activerecord::base.connection.execute(query)

and gives result


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