Now that CheckUser writes to the new tables for event table migration (T330158), reading from these tables when the migration stage is set to read new can commence.
This task is to add support to read new in Special:Investigate's 'IPs & User agents' tab.
Acceptance criteria
- Alias the current query info fields in CompareService and ComparePager use aliases for the cu_changes fields that are selected (T347102)
- Update the CompareService to select results from the three tables if read new is set