Forked from nicolasguzca/MySQL Proper case function.sql
Created
December 23, 2019 02:26
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DROP FUNCTION IF EXISTS proper; | |
SET GLOBAL log_bin_trust_function_creators=TRUE; | |
DELIMITER | | |
CREATE FUNCTION proper( str VARCHAR(128) ) | |
RETURNS VARCHAR(128) | |
BEGIN | |
DECLARE c CHAR(1); | |
DECLARE s VARCHAR(128); | |
DECLARE i INT DEFAULT 1; | |
DECLARE bool INT DEFAULT 1; | |
DECLARE punct CHAR(17) DEFAULT ' ()[]{},.-_!@;:?/'; | |
SET s = LCASE( str ); | |
WHILE i <= LENGTH( str ) DO | |
BEGIN | |
SET c = SUBSTRING( s, i, 1 ); | |
IF LOCATE( c, punct ) > 0 THEN | |
SET bool = 1; | |
ELSEIF bool=1 THEN | |
BEGIN | |
IF c >= 'a' AND c <= 'z' THEN | |
BEGIN | |
SET s = CONCAT(LEFT(s,i-1),UCASE(c),SUBSTRING(s,i+1)); | |
SET bool = 0; | |
END; | |
ELSEIF c >= '0' AND c <= '9' THEN | |
SET bool = 0; | |
END IF; | |
END; | |
END IF; | |
SET i = i+1; | |
END; | |
END WHILE; | |
RETURN s; | |
END; | |
| | |
DELIMITER ; |
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