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Erro na Trigger no MySQL


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Question

Esta apresentando um erro e eu estou precisando de ajuda.

DELIMITER $$

CREATE TRIGGER before_privilegios

BEFORE insert ON usuario

FOR EACH ROW BEGIN

SET USUARIO = NEW.nome_usuario;

SET SENHA = NEW.senha_usuario;

CREATE USER USUARIO@localhost IDENTIFIED BY SENHA;

GRANT INSERT ON CONTRATACAO.* TO USUARIO@localhost IDENTIFIED BY SENHA;

FLUSH PRIVILEGES;

END$$

DELIMITER ;

Edited by Denis Courcy
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Que erro esta sendo apresentado?

Que erro esta sendo apresentado?

quando eu executo ele apresenta o erro que esta na ultima linha.

0 13:59:28 CREATE TRIGGER before_privilegios BEFORE insert ON usuario FOR EACH ROW BEGIN SET USUARIO = NEW.nome_usuario; SET SENHA = NEW.senha_usuario; CREATE USER USUARIO@localhost IDENTIFIED BY SENHA; GRANT INSERT ON CONTRATACAO.* TO USUARIO@localhost IDENTIFIED BY SENHA; FLUSH PRIVILEGES; END

Error Code: 1193. Unknown system variable 'USUARIO'

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