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class CreateStaff < ActiveRecord::Migration[6.0]
def change
create_table :staff do |t|
t.references :account, null: false, foreign_key: true, index: { unique: true }
t.references :laboratory, null: true, foreign_key: true
t.string :type
t.datetime :hired_at
# physician.specialty, technician.skill, nurse.certification, volunteer.skill
t.text :qualifications, array: true
t.timestamps
end
add_index :staff, :type
end
end
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