bit_length

description

Syntax

INT bit_length(VARCHAR str)

返回字符串的位长度。

example

mysql> select bit_length("abc");
+-------------------+
| bit_length('abc') |
+-------------------+
|                24 |
+-------------------+
mysql> select bit_length("中国");
+----------------------+
| bit_length('中国')    |
+----------------------+
|                   48 |
+----------------------+

keyword

BIT_LENGTH