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 2025.07.03 af84a P P 584 407 2025.07.03 13:00:06.284 2025.07.03 13:00:06.868 2025.07.03 11:15:42.035 2025.07.03 11:15:42.442
2 6.0.0.892 2025.07.02 10f7d P P 596 404 2025.07.03 03:32:59.062 2025.07.03 03:32:59.658 2025.07.03 01:45:30.562 2025.07.03 01:45:30.966
3 6.0.0.889 2025.07.02 4b4e6 P P 590 442 2025.07.02 11:28:25.928 2025.07.02 11:28:26.518 2025.07.02 09:43:55.331 2025.07.02 09:43:55.773
4 6.0.0.889 2025.07.01 969ac P P 581 655 2025.07.02 03:35:04.862 2025.07.02 03:35:05.443 2025.07.02 01:47:21.556 2025.07.02 01:47:22.211
5 6.0.0.881 2025.06.27 7035d P P 596 389 2025.07.01 03:28:27.134 2025.07.01 03:28:27.730 2025.07.01 01:43:43.150 2025.07.01 01:43:43.539
6 6.0.0.877 2025.06.26 8e38f P P 582 391 2025.06.27 03:29:15.595 2025.06.27 03:29:16.177 2025.06.27 01:43:56.321 2025.06.27 01:43:56.712
7 6.0.0.876 2025.06.25 b1bec P P 618 403 2025.06.26 03:34:31.843 2025.06.26 03:34:32.461 2025.06.26 01:49:32.105 2025.06.26 01:49:32.508
8 6.0.0.863 2025.06.24 c3c20 P P 645 391 2025.06.25 08:18:49.564 2025.06.25 08:18:50.209 2025.06.25 01:43:34.878 2025.06.25 01:43:35.269
9 6.0.0.858 2025.06.24 cbbbf P P 593 390 2025.06.24 18:01:13.153 2025.06.24 18:01:13.746 2025.06.24 16:15:29.239 2025.06.24 16:15:29.629
10 6.0.0.858 2025.06.23 d377c P P 596 412 2025.06.24 09:13:16.877 2025.06.24 09:13:17.473 2025.06.24 07:27:39.155 2025.06.24 07:27:39.567
11 6.0.0.854 2025.06.23 10b58 P P 606 387 2025.06.23 15:54:05.577 2025.06.23 15:54:06.183 2025.06.23 14:07:31.552 2025.06.23 14:07:31.939
12 6.0.0.849 2025.06.20 7b79c P P 591 393 2025.06.21 03:32:24.721 2025.06.21 03:32:25.312 2025.06.21 01:44:09.707 2025.06.21 01:44:10.100
13 6.0.0.848 2025.06.19 c483c P P 585 395 2025.06.20 03:32:07.856 2025.06.20 03:32:08.441 2025.06.20 01:43:54.937 2025.06.20 01:43:55.332
14 6.0.0.845 2025.06.18 20191 P P 591 401 2025.06.19 03:31:32.964 2025.06.19 03:31:33.555 2025.06.19 01:43:36.968 2025.06.19 01:43:37.369
15 6.0.0.843 2025.06.16 995f4 P P 613 417 2025.06.18 03:31:19.679 2025.06.18 03:31:20.292 2025.06.18 01:43:10.581 2025.06.18 01:43:10.998
16 6.0.0.840 2025.06.14 29bca P P 610 388 2025.06.15 03:42:24.902 2025.06.15 03:42:25.512 2025.06.15 01:49:00.063 2025.06.15 01:49:00.451
17 6.0.0.838 2025.06.13 0e28a P P 631 424 2025.06.14 03:40:35.985 2025.06.14 03:40:36.616 2025.06.14 01:47:24.629 2025.06.14 01:47:25.053
18 6.0.0.834 2025.06.11 e889f P P 610 406 2025.06.12 03:36:20.484 2025.06.12 03:36:21.094 2025.06.12 01:46:31.289 2025.06.12 01:46:31.695
19 6.0.0.800 2025.06.10 1f226 P P 568 363 2025.06.11 02:20:56.287 2025.06.11 02:20:56.855 2025.06.11 01:09:21.649 2025.06.11 01:09:22.012
20 6.0.0.799 2025.06.07 be644 P P 564 363 2025.06.10 02:20:46.716 2025.06.10 02:20:47.280 2025.06.10 01:08:48.822 2025.06.10 01:08:49.185
21 6.0.0.797 2025.06.06 303e8 P P 574 368 2025.06.07 02:19:11.876 2025.06.07 02:19:12.450 2025.06.07 01:08:30.077 2025.06.07 01:08:30.445
22 6.0.0.795 2025.05.29 7a71a P P 541 359 2025.06.06 02:18:40.516 2025.06.06 02:18:41.057 2025.06.06 01:08:07.211 2025.06.06 01:08:07.570

Elapsed time, ms. Chart for last 22 runs:

Last commits information (all timestamps in UTC):