In this example you maintain a routings without using history.
You create a routing with key date 1/5 and the following objects:
Header
Operation 10
Operation 20
The system creates a single change status for each object. This status is valid from 1/5 (see graphic below).
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You change the following objects with key date 10/5:
Header
Operation 10
Your changes are valid from 1/5 indefinitely. You also assign a new material component (see graphic below).
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You change operation 20 with key date 5/5. Your changes are valid from 1/5 indefinitely.
You display the routing for the key date 7/5. The material component is not displayed, since the assignment is not yet valid on the 7/5. The header, operation 10 and operation 20 are displayed as changed.