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When adding an index to a table, is it as simple as writing a migration with:
add_index(:column_name)
And for the down method
remove_index(:column_name)
Are there any surprises I need to be aware of?
Working in Rails 3.07, Postgres. On Heroku.
Thanks.
Why do I get the feeling this is a trick question?
Yes, it’s that simple. No, there are no surprises, although very few people are ever glad of having made such a promise. 🙂