functional.sqlancer.tidb_15844_test. NATURAL RIGHT JOIN results in an unexpected "Unknown column" error

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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 6.0.0.892 2025.07.02 10f7d P P 636 434 2025.07.03 02:05:41.512 2025.07.03 02:05:42.148 2025.07.02 23:30:21.852 2025.07.02 23:30:22.286
2 6.0.0.889 2025.07.01 969ac P P 718 486 2025.07.02 02:34:40.200 2025.07.02 02:34:40.918 2025.07.01 23:44:43.452 2025.07.01 23:44:43.938
3 6.0.0.884 2025.06.30 f7e5f P P 679 330 2025.07.01 02:33:59.672 2025.07.01 02:34:00.351 2025.06.30 23:52:54.458 2025.06.30 23:52:54.788
4 6.0.0.881 2025.06.27 7035d P P 742 659 2025.06.30 02:25:28.540 2025.06.30 02:25:29.282 2025.06.29 23:40:02.211 2025.06.29 23:40:02.870
5 6.0.0.877 2025.06.26 8e38f P P 642 533 2025.06.27 02:03:09.074 2025.06.27 02:03:09.716 2025.06.26 23:30:01.349 2025.06.26 23:30:01.882
6 6.0.0.876 2025.06.25 b1bec P P 716 559 2025.06.26 02:07:00.365 2025.06.26 02:07:01.081 2025.06.25 23:32:03.882 2025.06.25 23:32:04.441
7 6.0.0.863 2025.06.24 c3c20 P P 663 452 2025.06.25 02:07:19.672 2025.06.25 02:07:20.335 2025.06.24 23:31:49.850 2025.06.24 23:31:50.302
8 6.0.0.858 2025.06.23 8d6f7 P P 632 556 2025.06.24 02:07:33.950 2025.06.24 02:07:34.582 2025.06.23 23:31:46.590 2025.06.23 23:31:47.146
9 6.0.0.849 2025.06.20 7b79c P P 649 515 2025.06.21 02:19:07.865 2025.06.21 02:19:08.514 2025.06.20 23:41:48.595 2025.06.20 23:41:49.110
10 6.0.0.848 2025.06.19 c483c P P 639 603 2025.06.20 02:15:28.097 2025.06.20 02:15:28.736 2025.06.19 23:38:10.330 2025.06.19 23:38:10.933
11 6.0.0.845 2025.06.18 22b12 P P 743 550 2025.06.19 02:24:14.675 2025.06.19 02:24:15.418 2025.06.18 23:41:48.476 2025.06.18 23:41:49.026
12 6.0.0.843 2025.06.16 995f4 P P 670 595 2025.06.18 02:22:30.856 2025.06.18 02:22:31.526 2025.06.17 23:44:34.455 2025.06.17 23:44:35.050
13 6.0.0.840 2025.06.14 29bca P P 631 480 2025.06.16 02:14:14.105 2025.06.16 02:14:14.736 2025.06.15 23:35:24.842 2025.06.15 23:35:25.322
14 6.0.0.838 2025.06.13 0e28a P P 725 633 2025.06.14 02:27:57.909 2025.06.14 02:27:58.634 2025.06.13 23:44:01.278 2025.06.13 23:44:01.911
15 6.0.0.835 2025.06.12 2cf29 P P 632 326 2025.06.13 02:27:01.205 2025.06.13 02:27:01.837 2025.06.12 23:48:44.532 2025.06.12 23:48:44.858
16 6.0.0.834 2025.06.11 e889f P P 691 584 2025.06.12 02:22:38.057 2025.06.12 02:22:38.748 2025.06.11 23:43:50.414 2025.06.11 23:43:50.998
17 6.0.0.800 2025.06.10 1f226 P P 655 588 2025.06.11 00:53:06.433 2025.06.11 00:53:07.088 2025.06.10 22:44:08.043 2025.06.10 22:44:08.631
18 6.0.0.799 2025.06.07 be644 P P 691 630 2025.06.10 00:55:53.247 2025.06.10 00:55:53.938 2025.06.09 22:43:40.723 2025.06.09 22:43:41.353
19 6.0.0.797 2025.06.06 303e8 P P 765 332 2025.06.07 00:59:22.652 2025.06.07 00:59:23.417 2025.06.06 22:43:24.181 2025.06.06 22:43:24.513
20 6.0.0.795 2025.05.29 7a71a P P 721 339 2025.06.06 00:53:45.077 2025.06.06 00:53:45.798 2025.06.05 22:42:22.649 2025.06.05 22:42:22.988

Elapsed time, ms. Chart for last 20 runs:

Last commits information (all timestamps in UTC):