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 |
+----------------------+keywords
BIT_LENGTH