bit_length

description

Syntax

INT bit_length(VARCHAR str)

返回字符串的位长度。

example

1. mysql> select bit_length("abc");
2. +-------------------+
3. | bit_length('abc') |
4. +-------------------+
5. |                24 |
6. +-------------------+

8. mysql> select bit_length("中国");
9. +----------------------+
10. | bit_length('中国')    |
11. +----------------------+
12. |                   48 |
13. +----------------------+

keywords

1. BIT_LENGTH