functional.sqlancer.tidb_challenge_48_test. UNIQUE constraint on DECIMAL/floating-point columns causes incorrect result for NULL in AND

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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 6.0.0.884 2025.06.30 f7e5f P P 730 319 2025.07.01 02:34:02.404 2025.07.01 02:34:03.134 2025.06.30 23:52:55.763 2025.06.30 23:52:56.082
2 6.0.0.881 2025.06.27 7035d P P 710 441 2025.06.30 02:25:31.451 2025.06.30 02:25:32.161 2025.06.29 23:40:04.678 2025.06.29 23:40:05.119
3 6.0.0.877 2025.06.26 8e38f P P 657 562 2025.06.27 02:03:11.711 2025.06.27 02:03:12.368 2025.06.26 23:30:03.390 2025.06.26 23:30:03.952
4 6.0.0.876 2025.06.25 b1bec P P 708 412 2025.06.26 02:07:03.104 2025.06.26 02:07:03.812 2025.06.25 23:32:06.086 2025.06.25 23:32:06.498
5 6.0.0.863 2025.06.24 c3c20 P P 795 485 2025.06.25 02:07:22.408 2025.06.25 02:07:23.203 2025.06.24 23:31:51.961 2025.06.24 23:31:52.446
6 6.0.0.858 2025.06.23 8d6f7 P P 668 592 2025.06.24 02:07:36.443 2025.06.24 02:07:37.111 2025.06.23 23:31:48.614 2025.06.23 23:31:49.206
7 6.0.0.849 2025.06.20 7b79c P P 752 516 2025.06.21 02:19:10.532 2025.06.21 02:19:11.284 2025.06.20 23:41:50.842 2025.06.20 23:41:51.358
8 6.0.0.848 2025.06.19 c483c P P 674 587 2025.06.20 02:15:30.648 2025.06.20 02:15:31.322 2025.06.19 23:38:12.559 2025.06.19 23:38:13.146
9 6.0.0.845 2025.06.18 22b12 P P 713 596 2025.06.19 02:24:17.482 2025.06.19 02:24:18.195 2025.06.18 23:41:50.769 2025.06.18 23:41:51.365
10 6.0.0.843 2025.06.16 995f4 P P 635 601 2025.06.18 02:22:33.414 2025.06.18 02:22:34.049 2025.06.17 23:44:36.502 2025.06.17 23:44:37.103
11 6.0.0.840 2025.06.14 29bca P P 660 416 2025.06.16 02:14:16.874 2025.06.16 02:14:17.534 2025.06.15 23:35:26.846 2025.06.15 23:35:27.262
12 6.0.0.838 2025.06.13 0e28a P P 664 623 2025.06.14 02:28:00.638 2025.06.14 02:28:01.302 2025.06.13 23:44:03.763 2025.06.13 23:44:04.386
13 6.0.0.835 2025.06.12 2cf29 P P 728 336 2025.06.13 02:27:03.764 2025.06.13 02:27:04.492 2025.06.12 23:48:45.910 2025.06.12 23:48:46.246
14 6.0.0.834 2025.06.11 e889f P P 744 623 2025.06.12 02:22:40.818 2025.06.12 02:22:41.562 2025.06.11 23:43:52.607 2025.06.11 23:43:53.230
15 6.0.0.800 2025.06.10 1f226 P P 725 564 2025.06.11 00:53:09.209 2025.06.11 00:53:09.934 2025.06.10 22:44:10.178 2025.06.10 22:44:10.742
16 6.0.0.799 2025.06.07 be644 P P 718 353 2025.06.10 00:55:55.994 2025.06.10 00:55:56.712 2025.06.09 22:43:42.689 2025.06.09 22:43:43.042
17 6.0.0.797 2025.06.06 303e8 P P 720 336 2025.06.07 00:59:25.601 2025.06.07 00:59:26.321 2025.06.06 22:43:25.558 2025.06.06 22:43:25.894
18 6.0.0.795 2025.05.29 7a71a P P 788 355 2025.06.06 00:53:47.878 2025.06.06 00:53:48.666 2025.06.05 22:42:23.971 2025.06.05 22:42:24.326

Elapsed time, ms. Chart for last 18 runs:

Last commits information (all timestamps in UTC):