Syntax

RTRIM(str)

Description

Returns the string str with trailing space characters removed.

Returns NULL if given a NULL argument. If the result is empty, returns either an empty string, or, from MariaDB 10.3.6 with SQL_MODE=Oracle, NULL.

The Oracle mode version of the function can be accessed outside of Oracle mode by using RTRIM_ORACLE as the function name.

Examples

SELECT QUOTE(RTRIM('MariaDB    '));
+-----------------------------+
| QUOTE(RTRIM('MariaDB    ')) |
+-----------------------------+
| 'MariaDB'                   |
+-----------------------------+

Oracle mode version from MariaDB 10.3.6:

SELECT RTRIM(''),RTRIM_ORACLE('');
+-----------+------------------+
| RTRIM('') | RTRIM_ORACLE('') |
+-----------+------------------+
|           | NULL             |
+-----------+------------------+

See Also

• LTRIM - leading spaces removed
• TRIM - removes all given prefixes or suffixes