grocy/migrations/0199.sql

16 lines
434 B
SQL

DROP TRIGGER qu_conversions_inverse_UPD;
CREATE TRIGGER qu_conversions_inverse_UPD AFTER UPDATE ON quantity_unit_conversions
BEGIN
/*
Update the inverse QU conversion
*/
UPDATE quantity_unit_conversions
SET factor = 1 / IFNULL(NEW.factor, 1),
from_qu_id = NEW.to_qu_id,
to_qu_id = NEW.from_qu_id
WHERE from_qu_id = OLD.to_qu_id
AND to_qu_id = OLD.from_qu_id
AND IFNULL(product_id, -1) = IFNULL(NEW.product_id, -1);
END;