1. Object Relational Mapping in ]po[ The ]project-open[ Data-Model , Frank Bergmann, 2010-09-22 This tutorial explains how the ]po[ data-model represents the is-a inheritance relationship of object types.

7. ]po[ Data-Model object_id im_biz_objects object_id object_type acs_objects group_id group_name groups profile_id profile_gif im_profiles users_ contact <Home Address> <Work Address> im_employees <Payroll Info> <Recruiting Info> party_id email url persons person_id first_names last_name users user_id username password … company_id im_companies main_office_id company_name status_id type_id … office_id <Address> im_offices office_status_id office_type_id company_id cost_center_id cost_center_name im_cost_centers cost_center_code department_p im_costs cost_id cost_name cost_nr project_id customer_id provider_id cost_status_id cost_type_id effective_date_id payment_days amount currency tax vat … cost_center_id invoice_id contact_id im_invoices invoice_nr office_id item_id item_name im_invoice_items project_id invoice_id item_units item_uom_id price_per_unit currency sort_order item_type_id item_status_id description payment_id cost_id im_payments company_id provider_id amount expense_id ext_company im_expenses ext_vat_number billable_p … bundle_id material_id … im_materials material_name material_uom_id task_id_one im_ts_ task_deps. task_id_two depend._type difference hardness task_id invoice_id im_timesheet_tasks material_id uom_id planned_units billable_units cost_center_id priority price_id uom_id im_timesheet_prices company_id task_type_id material_id price project_id im_projects project_lead_id project_name project_status_id project_type_id supervisor_id project_nr project_path customer_id start_date end_date … … … Main Business Objects Gantt, Timesheet & Helpdesk user_id im_hours project_id day hours … Users & Groups Financials rel_id object_id_one acs_rels object_id_two rel_id sort_order im_ticket_ticket_rel ticket_id ticket_sla_id im_tickets ticket_status_id ticket_type_id ticket_prio_id ticket_contact_id ticket_assignee_id ticket_queue_id . . . bundle_id im_expense_bundle <Type Info> object_type acs_ object_types SQL Meta-Data System Permission System acs_permssions object_id grantee_id privilege acs_privilege privilege pretty_name context_id <Audit info> … attribute_id acs_attributes object_type pretty_name … attribute_id im_dynfieldattributes widget_name parties

11. Frank Bergmann [email_address] www.project-open.com