这将为您提供一个 行号3。
SELECT
(@cnt := @cnt + 1) AS rowNumber,
t.rowID
FROM myTable AS t
CROSS JOIN (SELECT @cnt := 0) AS dummy
WHERE t.CategoryID = 1
ORDER BY t.rowID ;
| ROWNUMBER | ROWID |
---------------------
| 1 | 1 |
| 2 | 25 |
| 3 | 33 |
| 4 | 150 |
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