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class DropSisSourceIdFromPseudonyms < ActiveRecord::Migration
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def self.up
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remove_column :pseudonyms, :sis_source_id
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end
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def self.down
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add_column :pseudonyms, :sis_source_id, :string
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Pseudonym.where("sis_user_id IS NOT NULL").update_all('sis_source_id=unique_id')
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end
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end
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