# Issue #61990: planner: index predicates based on column prefix are not pushed down to index side if they can't be used to construct scan ranges

## Metadata
- Issue: https://github.com/pingcap/tidb/issues/61990
- Status: open
- Type: type/question
- Created At: 2025-06-25T06:34:43Z
- Labels: report/customer, sig/planner, type/question

## Customer-Facing Phenomenon
- The predicate is pushed down to table side.

## 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.