20170623080805_remove_ci_variables_project_id_index.rb 431 Bytes
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class RemoveCiVariablesProjectIdIndex < ActiveRecord::Migration[4.2]
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  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    if index_exists?(:ci_variables, :project_id)
      remove_concurrent_index(:ci_variables, :project_id)
    end
  end

  def down
    unless index_exists?(:ci_variables, :project_id)
      add_concurrent_index(:ci_variables, :project_id)
    end
  end
end