append_trailing_char_if_absent
Description
Syntax:
VARCHAR append_trailing_char_if_absent(VARCHAR str, VARCHAR trailing_char)
If the str string is non-empty and does not end with the trailing_char character, this function will append trailing_char to the end of str.
trailing_char should contain only one character. If it contains more than one character, the function will return NULL.
Example
MySQL [test]> select append_trailing_char_if_absent('a','c');
+------------------------------------------+
| append_trailing_char_if_absent('a', 'c') |
+------------------------------------------+
| ac |
+------------------------------------------+
1 row in set (0.02 sec)
MySQL [test]> select append_trailing_char_if_absent('ac','c');
+-------------------------------------------+
| append_trailing_char_if_absent('ac', 'c') |
+-------------------------------------------+
| ac |
+-------------------------------------------+
1 row in set (0.00 sec)Keywords
APPEND_TRAILING_CHAR_IF_ABSENT