positive

positive

description

Syntax

BIGINT positive(BIGINT x)
DOUBLE positive(DOUBLE x)
DECIMAL positive(DECIMAL x)

返回x.

example

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

keywords

POSITIVE