FA-015 / Data systems / Member archive
A cursor skips records with equal sort keys · case 05
The next page omits records sharing the final sort key of the previous page.
Case scope
The next page omits records sharing the final sort key of the previous page.
Why this case matters
A compact reasoning and repair task with executable evidence.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| tied next record | [[6, 3]] | [[5, 2], [6, 3]] | Failed |
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