Versioned on class
Hans Karlsen (talk | contribs) (Created page with "When you set Versioned on a class we never use sql-command-update or delete for that class. Instead we use insert with TimeStampStart and TimeStampStop added as non-attribute-...") |
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When you set Versioned on a class we never use sql-command-update or delete for that class. Instead we use insert with TimeStampStart and TimeStampStop added as non-attribute-db-columns. | When you set Versioned on a class we never use sql-command-update or delete for that class. Instead we use insert with TimeStampStart and TimeStampStop added as non-attribute-db-columns. | ||
You can now track all the changes done on an object - and retrieve old versions of that object with operators like allInstancesAtTime, atTime | You can now track all the changes done on an object - and retrieve old versions of that object with operators like [[OCLOperators allInstancesAtTime|allInstancesAtTime]], atTime | ||
Revision as of 16:00, 19 February 2022
When you set Versioned on a class we never use sql-command-update or delete for that class. Instead we use insert with TimeStampStart and TimeStampStop added as non-attribute-db-columns.
You can now track all the changes done on an object - and retrieve old versions of that object with operators like allInstancesAtTime, atTime
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