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 4.0.6.3215 2025.06.25 6461d P P 585 396 2025.07.03 08:18:53.834 2025.07.03 08:18:54.419 2025.07.03 06:57:30.092 2025.07.03 06:57:30.488
2 4.0.6.3214 2025.06.21 e11f6 P P 596 373 2025.06.25 08:05:36.920 2025.06.25 08:05:37.516 2025.06.25 06:54:33.266 2025.06.25 06:54:33.639
3 4.0.6.3213 2025.06.14 f015c P P 608 427 2025.06.21 07:42:07.924 2025.06.21 07:42:08.532 2025.06.21 06:30:59.268 2025.06.21 06:30:59.695
4 4.0.6.3212 2025.06.11 bc50d P P 603 404 2025.06.14 08:51:08.250 2025.06.14 08:51:08.853 2025.06.14 07:29:03.486 2025.06.14 07:29:03.890
5 4.0.6.3208 2025.06.10 19fe3 P P 690 448 2025.06.11 07:29:33.660 2025.06.11 07:29:34.350 2025.06.11 06:08:43.977 2025.06.11 06:08:44.425
6 4.0.6.3207 2025.06.07 205ff P P 688 531 2025.06.10 07:32:31.394 2025.06.10 07:32:32.082 2025.06.10 06:10:14.467 2025.06.10 06:10:14.998
7 4.0.6.3206 2025.05.22 d7d10 P P 766 464 2025.06.06 07:38:15.230 2025.06.06 07:38:15.996 2025.06.06 06:16:00.737 2025.06.06 06:16:01.201

Elapsed time, ms. Chart for last 7 runs:

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