Missing or extra default values in schema.rb
Default values are out of sync between gitlab.com and schema.rb. We can add or remove default values freely without downtime, we just need to double check that the application does not depend on any default values we're removing or the implicit NULL default if we're adding one.
Note that this is not the same as adding a new column with a default value which rewrites the table. Changing the default value has no effect on existing rows. We may need to verify that there isn't any problem with the existing rows missing the default values as well.
List of columns where we're adding/removing default values:
- ...