These are just notes to facilitate the implementation. The authoritative specification is in <mention class="mention" data-id="49687" data-type="work_package" data-text="#49687">#49687</mention>

### Acceptance criteria

* No functional changes Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * The `Query` model behaves the same as the `Projects::Queries::ProjectQuery` model Begin of the insertion

* Details

* The &#39;Spent time&#39; column should be hidden in case the &#39;Time and Costs&#39; module is deactivated in the project.


End of the insertion Begin of the deletion

End of the deletion ### Technical notes

* move table to `work_package_queries` Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Use JSON columns on the table Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Reuse serializers written for the projects query Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Migrate existing data Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Handle `results` object of `Query` Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Handle summing feature of `Query` currently connected to the columns