view db/migrate/20131218183023_delete_orphan_time_entries_custom_values.rb @ 1566:ac2e4a54a6a6 live

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author Chris Cannam
date Tue, 19 Jul 2016 13:49:56 +0100
parents dffacf8a6908
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class DeleteOrphanTimeEntriesCustomValues < ActiveRecord::Migration
  def up
    CustomValue.where("customized_type = ? AND NOT EXISTS (SELECT 1 FROM #{TimeEntry.table_name} t WHERE t.id = customized_id)", "TimeEntry").delete_all
  end

  def down
    # nop
  end
end