negative

negative

description

Syntax

BIGINT negative(BIGINT x)
DOUBLE negative(DOUBLE x)
DECIMAL negative(DECIMAL x)

返回-x.

example

mysql> SELECT negative(-10);
+---------------+
| negative(-10) |
+---------------+
|            10 |
+---------------+
mysql> SELECT negative(12);
+--------------+
| negative(12) |
+--------------+
|          -12 |
+--------------+

keywords

NEGATIVE