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