mysql运算符的优先级

Operator precedences are shown in the following list, from highest precedence to the lowest. Operators that are shown together on a line have the same precedence.

INTERVAL

BINARY, COLLATE

!

- (unary minus), ~ (unary bit inversion)

^

*, /, DIV, %, MOD

-, +

<<, >>

&

|

=, <=>, >=, >, <=, <, <>, !=, IS, LIKE, REGEXP, IN

BETWEEN, CASE, WHEN, THEN, ELSE

NOT

&&, AND

XOR

||, OR

:=