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5, '0001-01-01 00:00:00') |\n+---------------------------------------------------------------+\n| 0001-01-01 00:00:15 |\n+---------------------------------------------------------------+\n1 row in set (0.00 sec)\n\nmysql>select date_floor(\"0001-01-01 00:00:18\",interval 5 second);\n+---------------------------------------------------------------+\n| second_floor('0001-01-01 00:00:18', 5, '0001-01-01 00:00:00') |\n+---------------------------------------------------------------+\n| 0001-01-01 00:00:15 |\n+---------------------------------------------------------------+\n1 row in set (0.01 sec)\n\nmysql>select date_floor(\"2023-07-13 22:28:18\",interval 5 minute);\n+---------------------------------------------------------------+\n| minute_floor('2023-07-13 22:28:18', 5, '0001-01-01 00:00:00') |\n+---------------------------------------------------------------+\n| 2023-07-13 22:25:00 |\n+---------------------------------------------------------------+\n1 row in set (0.00 sec)\n\nmysql>select date_floor(\"2023-07-13 22:28:18\",interval 5 hour);\n+-------------------------------------------------------------+\n| hour_floor('2023-07-13 22:28:18', 5, '0001-01-01 00:00:00') |\n+-------------------------------------------------------------+\n| 2023-07-13 18:00:00 |\n+-------------------------------------------------------------+\n1 row in set (0.01 sec)\n\nmysql>select date_floor(\"2023-07-13 22:28:18\",interval 5 day);\n+------------------------------------------------------------+\n| day_floor('2023-07-13 22:28:18', 5, '0001-01-01 00:00:00') |\n+------------------------------------------------------------+\n| 2023-07-10 00:00:00 |\n+------------------------------------------------------------+\n1 row in set (0.00 sec)\n\nmysql>select date_floor(\"2023-07-13 22:28:18\",interval 5 month);\n+--------------------------------------------------------------+\n| month_floor('2023-07-13 22:28:18', 5, '0001-01-01 00:00:00') 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