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CTimmerman/change_columns_with_constraints.sql

Last active March 7, 2016 09:34
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Change columns with constraints in MySQL.
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change_columns_with_constraints.sql
show create table orders_products;
ALTER TABLE orders_products DROP FOREIGN KEY orders_products_ibfk_1;
alter table orders_products modify column orderId bigint;
alter table orders modify column id bigint AUTO_INCREMENT;
ALTER TABLE orders_products ADD CONSTRAINT `orders_products_ibfk_1` FOREIGN KEY (`orderId`) REFERENCES `orders` (`id`);
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As disabling foreign key checks is dangerous and didn't work.

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