Test DESCRIBE orders:
  id - int unsigned - NO - 
  reference - varchar(50) - NO - 
  client_id - int unsigned - NO - 
  operation_group - int - YES - 
  client_reference - varchar(100) - YES - 
  status - enum('draft','pending','confirmed','in_progress','completed','invoiced','cancelled') - YES - pending
  operation_code - varchar(50) - YES - 
  description - text - YES - 
  quantity - int - YES - 1
  unit_price - decimal(10,2) - YES - 
  total_ht - decimal(12,2) - YES - 
  vat_rate - decimal(4,2) - YES - 20.00
  total_ttc - decimal(12,2) - YES - 
  ordered_at - date - YES - 
  deadline - date - YES - 
  completed_at - date - YES - 
  notes - text - YES - 
  created_by - int unsigned - YES - 
  created_at - timestamp - YES - CURRENT_TIMESTAMP
  updated_at - timestamp - YES - CURRENT_TIMESTAMP
  priority - varchar(20) - NO - normal
  tva_rate - decimal(5,2) - NO - 20.00
  total_tva - decimal(12,2) - NO - 0.00
  documents - json - YES - 
  confirmed_at - datetime - YES - 
  confirmed_by - int - YES - 
  cancelled_at - datetime - YES - 
  cancelled_by - int - YES - 
  cancellation_reason - text - YES -