POSC Meta Model Specifications Version 2.3 |
Logical Data Model |
This entity stores the details of a change request. It provides grouping of changes resulting from a change request. Each group has an instance in this entity with the type of change, a title and a description (through the obj_desc entity). It has a relationship to changed_objects that describe the objects involved in the change. If the object has been deleted, it should contain a title that specifies the deleted object.
- type_of_change (M: string(1) FIXED)
- This is the type of change, which can be one of 'A'dd, 'M'odify or 'D'elete.
- parent_request (M: change_request(changes))
- The request that generated this change. Each change must result in one change_request.
- title (O: string(2000))
- This title can be used to identify the object involved in the change. There is a capility to embed links to entities and types in this title by using the following syntax anywhere in the text: @.@ can be one of: ENT (entity) TYP (name data type) EPT (epicentre/simple type) is the name of the entity, named data type or epicentre/simple type.
- changed_objects (V: SET[1:?] changed_object(parent_change))
- Specifies all the objects that have changed as a result of this change. Each change must results in one or more changed_object.
Entity projects as table CHANGE.
Referenced in Diagrams:
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