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 3.0.13.33814 2025.06.21 85255 P P 542 330 2025.06.26 09:33:33.174 2025.06.26 09:33:33.716 2025.06.26 08:56:29.278 2025.06.26 08:56:29.608
2 3.0.13.33813 2025.06.14 222a9 P P 508 363 2025.06.21 09:13:20.307 2025.06.21 09:13:20.815 2025.06.21 08:36:06.951 2025.06.21 08:36:07.314
3 3.0.13.33811 2025.05.07 16491 P P 548 328 2025.06.14 09:44:04.904 2025.06.14 09:44:05.452 2025.06.14 09:05:10.021 2025.06.14 09:05:10.349

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