# Issue #54454: optimal range is not built for `(a,b) in ((1,1),(2,2)) and c >= 10 and c <= 50` on `(b,c)` index

## Metadata
- Issue: https://github.com/pingcap/tidb/issues/54454
- Status: open
- Type: type/enhancement
- Created At: 2024-07-04T10:27:23Z
- Labels: affects-5.4, affects-6.1, affects-6.5, affects-7.1, affects-7.5, affects-8.1, report/customer, sig/planner, type/enhancement

## Customer-Facing Phenomenon
- The optimal range should be

## Linked PRs
- No linked PR was found from the issue timeline.

## Notes
- This issue is still open. Use this file as a reminder list for customer-driven gaps that still need a fix or a completed rollout.