Cannot change column used in a foreign key constraint

Question

I got this error when i was trying to alter my table.

Error Code: 1833. Cannot change column \'person_id\': used in a foreign key constraint \'fk_fav_food_p         


        

Answer 1

You can turn off foreign key checks:

SET FOREIGN_KEY_CHECKS = 0;

/* DO WHAT YOU NEED HERE */

SET FOREIGN_KEY_CHECKS = 1;

Please make sure to NOT use this on production and have a backup.