Since online shoppers are known to abandon carts at all hours of the day, we do our best to make sure Jilt is up and running 24/7. However, every developer knows altering a large database without any downtime can get pretty tricky.
A few weeks ago, we had several columns that needed to be changed from an
int to a
bigint. At first glance, this seemed like a straight forward change, we could use the rails
change_column method and be off to the races.
change_column :orders, :price, :bigint
Not so fast.