17 lines
847 B
Ruby
17 lines
847 B
Ruby
class DropDeletedUniqueIdFromPseudonyms < ActiveRecord::Migration
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def self.up
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Pseudonym.where("deleted_unique_id IS NOT NULL AND workflow_state='deleted'").update_all('unique_id=deleted_unique_id')
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remove_column :pseudonyms, :deleted_unique_id
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end
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def self.down
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add_column :pseudonyms, :deleted_unique_id, :string
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Pseudonym.where("unique_id IS NOT NULL AND workflow_state='deleted'").update_all('deleted_unique_id=unique_id')
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if %w{MySQL Mysql2}.include?(Pseudonym.connection.adapter_name)
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Pseudonym.where("unique_id IS NOT NULL AND workflow_state='deleted'").update_all("unique_id=unique_id || '--' || SUBSTR(RAND(), 3, 4)")
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else
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Pseudonym.where("unique_id IS NOT NULL AND workflow_state='deleted'").update_all("unique_id=unique_id || '--' || SUBSTR(CAST(RANDOM() AS varchar), 3, 4)")
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end
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end
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end
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