Ian Terrell

I've also encountered this error in a scripted data migration from an old MySQL database. Naturally Yehuda's patch doesn't affect this, but netloner's patch get...

I like this. I'm constantly forgetting to turn off the migration and the fixture in the regular model generator.

For this use case, Enumerable#group_by still seems best. The &:symbol syntax is shorthand for a block; you can spell it out for cases where you wish to group by...

Are there other use cases?

Do you see this as much better than using Enumerable#group_by? (http://api.rubyonrails.org/class...)

<% @people.group_by(&:occupat...

Crossed with Mike above. Reassigning.

The previous attachment was just a "git diff." Attached is a properly formatted patchfile to add my failing test.

Attached is a patch that includes a failing test case.