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postgreSQL Single insert trigger


Step 1: create your function


CREATE OR REPLACE FUNCTION add_created_at_function()
 RETURNS trigger AS $BODY$
BEGIN
 NEW.created_at := NOW();
 RETURN NEW;
END $BODY$
LANGUAGE plpgsql;

Step 2: create your trigger


CREATE TRIGGER add_created_at_trigger
BEFORE INSERT
ON company
FOR EACH ROW
EXECUTE PROCEDURE add_created_at_function();

Step 3: test it


INSERT INTO company (name) VALUES ('My company');
SELECT * FROM company;


Conclusion

In this page (written and validated by ) you learned about postgreSQL Single insert trigger . What's Next? If you are interested in completing postgreSQL tutorial, your next topic will be learning about: postgreSQL Trigger for multiple purpose.



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