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If you call `remove_index` with wrong options, say a type, like I did, you get: ``` == 20160810072541 RemoveUniqueIndexOnGoals: migrating ========================= -- remove_index(:goal, {:coulmn=>:kid_id, :unique=>true}) rails aborted! StandardError: An error has occurred, this and all later migrations canceled: undefined method `ArgumentError' for #<ActiveRecord::ConnectionAdapters::PostgreSQLAdapter:0x007fb7dec91b28> ``` What happened is that I mistyped column (coulmn) and got a `NoMethodError`, because of a missing comma during the raise. This made Ruby think we're calling the method `ArgumentError`. |
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