# Issue #65822: Support building IndexMerge path and pushing down `Limit` for `IN` expression in nested OR list like `a = 1 and (b in (1,3) or c = 2)`

## Metadata
- Issue: https://github.com/pingcap/tidb/issues/65822
- Status: open
- Type: type/enhancement
- Created At: 2026-01-26T12:15:56Z
- Labels: affects-7.5, report/customer, sig/planner, type/enhancement

## Customer-Facing Phenomenon
- What we already have:

## 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.