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

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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 5.0.3.1674 2025.06.27 3ee5c P P 652 392 2025.06.30 13:02:31.790 2025.06.30 13:02:32.442 2025.06.30 11:37:59.562 2025.06.30 11:37:59.954
2 5.0.3.1657 2025.06.19 4bd4c P P 660 414 2025.06.27 12:34:37.086 2025.06.27 12:34:37.746 2025.06.27 11:11:54.668 2025.06.27 11:11:55.082
3 5.0.3.1657 2025.06.11 dae6f P P 736 431 2025.06.17 07:39:40.288 2025.06.17 07:39:41.024 2025.06.17 06:15:52.954 2025.06.17 06:15:53.385
4 5.0.3.1657 2025.06.10 dbc92 P P 692 407 2025.06.11 12:30:39.235 2025.06.11 12:30:39.927 2025.06.11 10:58:44.792 2025.06.11 10:58:45.199
5 5.0.3.1656 2025.05.20 c4b11 P P 733 397 2025.06.10 12:24:24.121 2025.06.10 12:24:24.854 2025.06.10 10:56:22.803 2025.06.10 10:56:23.200

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