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RTRIM

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Removes trailing space characters from the given string.

Syntax

RTRIM (str)

Arguments

  • str: any string or binary object

Return Type

String

Examples

Note

This function removes only space " " characters. Other whitespace characters like tab \t, newline \n, etc are preserved. It is equivalent to TRIM(TRAILING " " FROM str).

SELECT RTRIM('    ohai     ') AS r, ltrim('    ohai     ') AS l;
+----------+-----------+
| r        | l         |
+----------+-----------+
|     ohai | ohai      |
+----------+-----------+

Caution

Implicit Collation

When character_set_server is set to utf8, string literals with characters using 4-byte encoding are implicitly assigned binary collation and processed as a sequence of bytes rather than characters. This implicit conversion to binary collation causes string functions to return unexpected results. To avoid using implicit binary collation, either use explicit type casting or use database columns defined with the utf8mb4 character set.

For more information, refer to Implicit Collation in Special Cases.

Related Topics

Last modified: April 4, 2023

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