Task #3612: CN SystemMetadata has incomplete obsoletedBy information
Correct revision history on KNB node
There are a few instances of unidirectional revision history for the KNB objects. These are generated SystemMetadata entries (unknown origin) that did not correctly write bidirectional obsoletes/obsoeltedBy information to both the new and old revisions.
To correct this, the following SQL can be used (first to investigate, and finally to update the objects in question).