strleft

description

Syntax

VARCHAR strleft(VARCHAR str)

它返回具有指定长度的字符串的左边部分,长度的单位为utf8字符

example

mysql> select strleft("Hello doris",5);
+------------------------+
| strleft('Hello doris', 5) |
+------------------------+
| Hello                  |
+------------------------+

keyword

STRLEFT