18 lines
524 B
MySQL
18 lines
524 B
MySQL
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DROP PROCEDURE IF EXISTS account.user_checkName;
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DELIMITER $$
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CREATE DEFINER=`root`@`%` PROCEDURE `account`.`user_checkName`(vUserName VARCHAR(255))
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BEGIN
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/**
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* Checks that username meets the necessary syntax requirements, otherwise it
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* throws an exception.
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* The user name must only contain lowercase letters or, starting with second
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* character, numbers or underscores.
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*/
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IF vUserName NOT REGEXP '^[a-z0-9_-]*$' THEN
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SIGNAL SQLSTATE '45000'
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SET MESSAGE_TEXT = 'INVALID_USER_NAME';
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END IF;
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END$$
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DELIMITER ;
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