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 6.0.0.877 2025.06.26 8e38f P P 620 441 2025.06.27 02:03:11.091 2025.06.27 02:03:11.711 2025.06.26 23:30:02.949 2025.06.26 23:30:03.390
2 6.0.0.876 2025.06.25 b1bec P P 630 484 2025.06.26 02:07:02.474 2025.06.26 02:07:03.104 2025.06.25 23:32:05.602 2025.06.25 23:32:06.086
3 6.0.0.863 2025.06.24 c3c20 P P 752 567 2025.06.25 02:07:21.656 2025.06.25 02:07:22.408 2025.06.24 23:31:51.394 2025.06.24 23:31:51.961
4 6.0.0.858 2025.06.23 8d6f7 P P 629 432 2025.06.24 02:07:35.814 2025.06.24 02:07:36.443 2025.06.23 23:31:48.182 2025.06.23 23:31:48.614
5 6.0.0.849 2025.06.20 7b79c P P 728 632 2025.06.21 02:19:09.804 2025.06.21 02:19:10.532 2025.06.20 23:41:50.210 2025.06.20 23:41:50.842
6 6.0.0.848 2025.06.19 c483c P P 649 521 2025.06.20 02:15:29.999 2025.06.20 02:15:30.648 2025.06.19 23:38:12.038 2025.06.19 23:38:12.559
7 6.0.0.845 2025.06.18 22b12 P P 734 610 2025.06.19 02:24:16.748 2025.06.19 02:24:17.482 2025.06.18 23:41:50.159 2025.06.18 23:41:50.769
8 6.0.0.843 2025.06.16 995f4 P P 687 584 2025.06.18 02:22:32.727 2025.06.18 02:22:33.414 2025.06.17 23:44:35.918 2025.06.17 23:44:36.502
9 6.0.0.840 2025.06.14 29bca P P 708 416 2025.06.16 02:14:16.166 2025.06.16 02:14:16.874 2025.06.15 23:35:26.430 2025.06.15 23:35:26.846
10 6.0.0.838 2025.06.13 0e28a P P 678 557 2025.06.14 02:27:59.960 2025.06.14 02:28:00.638 2025.06.13 23:44:03.206 2025.06.13 23:44:03.763
11 6.0.0.835 2025.06.12 2cf29 P P 661 338 2025.06.13 02:27:03.103 2025.06.13 02:27:03.764 2025.06.12 23:48:45.572 2025.06.12 23:48:45.910
12 6.0.0.834 2025.06.11 e889f P P 622 451 2025.06.12 02:22:40.196 2025.06.12 02:22:40.818 2025.06.11 23:43:52.156 2025.06.11 23:43:52.607
13 6.0.0.800 2025.06.10 1f226 P P 634 539 2025.06.11 00:53:08.575 2025.06.11 00:53:09.209 2025.06.10 22:44:09.639 2025.06.10 22:44:10.178
14 6.0.0.799 2025.06.07 be644 P P 673 330 2025.06.10 00:55:55.321 2025.06.10 00:55:55.994 2025.06.09 22:43:42.359 2025.06.09 22:43:42.689
15 6.0.0.797 2025.06.06 303e8 P P 727 368 2025.06.07 00:59:24.874 2025.06.07 00:59:25.601 2025.06.06 22:43:25.190 2025.06.06 22:43:25.558
16 6.0.0.795 2025.05.29 7a71a P P 647 347 2025.06.06 00:53:47.231 2025.06.06 00:53:47.878 2025.06.05 22:42:23.624 2025.06.05 22:42:23.971

Elapsed time, ms. Chart for last 16 runs:

Last commits information (all timestamps in UTC):