Can get an array of all pointers in an index
Loading the database-type tests pas
Update works with indexing
Can test the code multiple times
All queries work
Insertion still works as before
Can batch-update an index, no change if an error was thrown
Can revert updates, simple or batch
Test on previous update behaviour corrected
After an update, the same pointers are shared
If a simple update violates a constraint, all changes are rolled back and an error thrown
Update now completely works with indexing, only remove needs to be tested