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how to use a trigger to validate input data

Tanishq Vyas answered on May 8, 2020 Popularity 3/10 Helpfulness 8/10

answer how to use a trigger to validate input data

how to use a trigger to validate input data

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-- validate email
CREATE TRIGGER `person_validate_insert`
	BEFORE INSERT
	ON `person`
	FOR EACH ROW
BEGIN
	IF NEW.`email` NOT LIKE '%_@%_.__%' THEN
		SIGNAL SQLSTATE VALUE '45000'
			SET MESSAGE_TEXT = '[table:person] - `email` column is not valid';
	END IF;
END;

Popularity 3/10 Helpfulness 8/10 Language sql

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Tags: input sql

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