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class Staff < ApplicationRecord
belongs_to :account
belongs_to :laboratory, optional: true
has_many :treatments
attribute :qualifications, :string, array: true
delegate :name, to: :account
delegate :phone_number, to: :account
delegate :pager_number, to: :account
end
=begin
Find which physicians performed a treatment each day.
treatment | day(treatment.occurred_at) | staff.name | count(treatment_id)
SELECT treatments.id, date(treatments.occurred_at), staff.id, count(treatments.id)
FROM "treatments"
INNER JOIN "patients" ON "patients"."id" = "treatments"."patient_id"
INNER JOIN "staff" ON "staff"."id" = "patients"."physician_id" AND "staff"."type" = $1
INNER JOIN "accounts" ON "accounts"."id" = "staff"."account_id"
WHERE (occurred_at > '2020-03-14 21:00:39.156746')
GROUP BY "treatments"."id", DATE(treatments.occurred_at), staff.id
ORDER BY "treatments"."id" DESC LIMIT $2 [["type", "Physician"],
=end
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