| product_operation_row_id | Unique identifier for an operation row. One operation row can apply to multiple product variants of the same product. |
| product_id | The ID of the product this operation row belongs to. |
| product_variant_id | The ID of the product variant this operation row belongs to. |
| operation_id | The ID of the operation needed to perform to make the product. |
| operation_name | The name of the operation needed to perform to make the product. |
| resource_id | The ID of the workstation or a person required for completing a certain operation. |
| resource_name | The name of the workstation or a person required for completing a certain operation. |
| cost_per_hour | The average hourly cost for the resource to perform the operation. |
| planned_time_per_unit | The planned duration of the operation to manufacture one unit of the product measured in seconds. |
| planned_cost_per_unit | The planned operation cost to make one unit of the product. planned_cost_per_unit = cost_per_hour * planned_time_per_unit. |
| rank | A numerical value used for ranking the operations. We use an internal numeration system where values are not sequential. Operations with a higher value are ranked first. |
| group_boundary | A numerical value that is used to group operations that are to be performed in parallel order. |
| created_at | The timestamp when the manufacturing order recipe row was created. |
| updated_at | The timestamp when the manufacturing order recipe row was last updated. |
