On Migration: undefined method `to_sym' for nil:NilClass

Question

I\'m running Rails 3.0.3 and I accidentally made a typo in my migration: I created a migration that creates a new column with a type of boolen (it should have b

Answer 1

As you mentioned in your comments to codeglot once the record is in your database you still get the error when trying to remove the column.

 :books, :name, :inntegr #here I have the order right but spelling is a problem.

To overcome this problem you can manually run sql commands in your migration

  def self.up
    execute "ALTER TABLE books DROP COLUMN name"
  end

hope this helps