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There are some columns with a type of string, that are used for other types. Not that it is highly important, but I think we should convert them.
I made a (incomplete) list:
Added a small migration in the latest commit, however, postgresql throws up stating "column "weight" cannot be cast to type double precision"
The Internet says to use "proper" pgSQL in the migration:
Is there a nicer solution in pure Ruby or do I have to write the SQL?
See #54. That should do it.
Aha, so that works :) Thanks!