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I want to concatenate the new username with string and I have the following trigger:

CREATE DEFINER=`root`@`localhost` TRIGGER `rating_platform`.`admins_BEFORE_INSERT` BEFORE INSERT ON `admins` FOR EACH ROW
BEGIN
SET NEW.username = NEW.username + "test";
END

I receive this error:

ERROR 1292: 1292: Truncated incorrect DOUBLE value: 'test'

What am I doing wrong?

Yasen Ivanov
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1 Answers1

2

Use CONCAT function:

SET NEW.username = CONCAT(NEW.username,"test");
Pavel Katiushyn
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