functional.sqlancer.tidb_challenge_19_test. Incorrect result for LEFT JOIN and CASE operator

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Full history of outcomes and elapsed time, ms:
NN SNAP_INFO CS_outcome SS_outcome CS_run_time SS_run_time CS_run_beg CS_run_end SS_run_beg SS_run_end
1 5.0.3.1675 2025.06.27 1bb2c P P 582 372 2025.07.01 05:48:17.935 2025.07.01 05:48:18.517 2025.07.01 04:43:58.307 2025.07.01 04:43:58.679
2 5.0.3.1674 2025.06.26 d366d P P 608 391 2025.06.27 05:49:19.227 2025.06.27 05:49:19.835 2025.06.27 04:44:55.974 2025.06.27 04:44:56.365
3 5.0.3.1673 2025.06.25 f0e1f P P 590 381 2025.06.26 05:55:52.001 2025.06.26 05:55:52.591 2025.06.26 04:50:35.073 2025.06.26 04:50:35.454
4 5.0.3.1668 2025.06.21 b8e22 P P 602 380 2025.06.25 10:39:34.606 2025.06.25 10:39:35.208 2025.06.25 09:34:50.830 2025.06.25 09:34:51.210
5 5.0.3.1667 2025.06.15 4374a P P 575 411 2025.06.21 05:40:02.723 2025.06.21 05:40:03.298 2025.06.21 04:33:53.580 2025.06.21 04:33:53.991
6 5.0.3.1666 2025.06.14 97178 P P 600 377 2025.06.15 06:08:24.128 2025.06.15 06:08:24.728 2025.06.15 05:02:40.084 2025.06.15 05:02:40.461
7 5.0.3.1665 2025.06.11 d8b62 P P 619 392 2025.06.14 06:06:11.266 2025.06.14 06:06:11.885 2025.06.14 05:00:22.305 2025.06.14 05:00:22.697
8 5.0.3.1661 2025.06.10 cfcf0 P P 595 380 2025.06.11 04:35:20.484 2025.06.11 04:35:21.079 2025.06.11 03:29:52.686 2025.06.11 03:29:53.066
9 5.0.3.1660 2025.06.07 db691 P P 574 368 2025.06.10 04:35:46.909 2025.06.10 04:35:47.483 2025.06.10 03:30:39.299 2025.06.10 03:30:39.667
10 5.0.3.1659 2025.05.28 f4c0f P P 578 388 2025.06.06 04:31:49.658 2025.06.06 04:31:50.236 2025.06.06 03:27:04.236 2025.06.06 03:27:04.624

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