char_length

char_length

Description

Syntax

INT char_length(VARCHAR str)

Returns the length of the string, and the number of characters returned for multi-byte characters. For example, five two-byte width words return a length of 5, only utf8 encoding is support at the current version. character_length is the alias for this function.

example

mysql> select char_length("abc");
+--------------------+
| char_length('abc') |
+--------------------+
|                  3 |
+--------------------+

mysql> select char_length("中国");
+------------------- ---+
| char_length('中国')   |
+-----------------------+
|                     2 |
+-----------------------+

keywords

CHAR_LENGTH, CHARACTER_LENGTH