[MDEV-21643] test correctness of cost_based_order_by_limit Created: 2020-02-03 Updated: 2023-12-16 |
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| Status: | Stalled |
| Project: | MariaDB Server |
| Component/s: | Optimizer, Tests |
| Fix Version/s: | 11.5 |
| Type: | Task | Priority: | Major |
| Reporter: | Sergei Golubchik | Assignee: | Lena Startseva |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | None | ||
| Issue Links: |
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| Description |
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test the correctness of the cost_based_order_by_limit optimization. for example by running rqg and comparing results with optimizer_switch="cost_based_order_by_limit" and without |
| Comments |
| Comment by Varun Gupta (Inactive) [ 2020-02-20 ] |
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The latest code, rebased on 10.5 can be found in the branch 10.5-order_by_limit |
| Comment by Roel Van de Paar [ 2020-03-10 ] |
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Discussed with Varun who mentioned that Igor mentioned the feature is not complete as some refactoring needs to be done (and it will not be included in current release). |