| 优先级顺序 | 运算符 |
|---|---|
| 1 | interval |
| 2 | binary , collate |
| 3 | ! |
| 4 | -(一元减号), ~ |
| 5 | ^ |
| 6 | *, / , DIV , % , MOD |
| 7 | -,+ |
| 8 | << , >> |
| 9 | & |
| 10 | | |
| 11 | = , <=> , >= , > , <= , < , <> , != , IS , LIKE , REGEXP , IN |
| 12 | BETWEEN , CASE , WHEN , THEN , ELSE |
| 13 | NOT |
| 14 | && , AND |
| 15 | || , OR , XOR |
| 16 | := |
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